561134151 has 24 divisors (see below), whose sum is σ = 847207296. Its totient is φ = 357215760.

The previous prime is 561134141. The next prime is 561134173. The reversal of 561134151 is 151431165.

561134151 is a `hidden beast` number, since 5 + 611 + 3 + 41 + 5 + 1 = 666.

It is not a de Polignac number, because 561134151 - 2²⁵ = 527579719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561134111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141076 + ... + 144998.

It is an arithmetic number, because the mean of its divisors is an integer number (35300304).

Almost surely, 2^561134151 is an apocalyptic number.

561134151 is a deficient number, since it is larger than the sum of its proper divisors (286073145).

561134151 is a wasteful number, since it uses less digits than its factorization.

561134151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4643 (or 4640 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 561134151 is about 23688.2703252053. The cubic root of 561134151 is about 824.8131323321.

The spelling of 561134151 in words is "five hundred sixty-one million, one hundred thirty-four thousand, one hundred fifty-one".