1151045541 has 6 divisors (see below), whose sum is σ = 1662621350. Its totient is φ = 767363688.

The previous prime is 1151045491. The next prime is 1151045551. The reversal of 1151045541 is 1455401511.

1151045541 is a `hidden beast` number, since 1 + 1 + 5 + 104 + 554 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 662856516 + 488189025 = 25746^2 + 22095^2 .

It is not a de Polignac number, because 1151045541 - 2¹⁷ = 1150914469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151045551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63946966 + ... + 63946983.

Almost surely, 2^1151045541 is an apocalyptic number.

It is an amenable number.

1151045541 is a deficient number, since it is larger than the sum of its proper divisors (511575809).

1151045541 is a wasteful number, since it uses less digits than its factorization.

1151045541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127893955 (or 127893952 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The square root of 1151045541 is about 33927.0620743972. The cubic root of 1151045541 is about 1048.0069649349.

The spelling of 1151045541 in words is "one billion, one hundred fifty-one million, forty-five thousand, five hundred forty-one".