10155787431 has 8 divisors (see below), whose sum is σ = 13541694960. Its totient is φ = 6770202432.

The previous prime is 10155787391. The next prime is 10155787507. The reversal of 10155787431 is 13478755101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10155787431 - 2⁷ = 10155787303 is a prime.

It is a super-2 number, since 2×10155787431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10155777431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6201 + ... + 142653.

It is an arithmetic number, because the mean of its divisors is an integer number (1692711870).

Almost surely, 2^10155787431 is an apocalyptic number.

10155787431 is a deficient number, since it is larger than the sum of its proper divisors (3385907529).

10155787431 is a wasteful number, since it uses less digits than its factorization.

10155787431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161265.

The product of its (nonzero) digits is 117600, while the sum is 42.

The spelling of 10155787431 in words is "ten billion, one hundred fifty-five million, seven hundred eighty-seven thousand, four hundred thirty-one".