105011204531 has 16 divisors (see below), whose sum is σ = 110717137440. Its totient is φ = 99466917120.

The previous prime is 105011204527. The next prime is 105011204533. The reversal of 105011204531 is 135402110501.

It is a cyclic number.

It is not a de Polignac number, because 105011204531 - 2² = 105011204527 is a prime.

It is a super-2 number, since 2×105011204531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105011204497 and 105011204506.

It is not an unprimeable number, because it can be changed into a prime (105011204533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 634325 + ... + 782553.

It is an arithmetic number, because the mean of its divisors is an integer number (6919821090).

Almost surely, 2^105011204531 is an apocalyptic number.

105011204531 is a deficient number, since it is larger than the sum of its proper divisors (5705932909).

105011204531 is a wasteful number, since it uses less digits than its factorization.

105011204531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148774.

The product of its (nonzero) digits is 600, while the sum is 23.

The spelling of 105011204531 in words is "one hundred five billion, eleven million, two hundred four thousand, five hundred thirty-one".