261125431520110 has 16 divisors (see below), whose sum is σ = 470089717254432. Its totient is φ = 104435963604000.

The previous prime is 261125431520081. The next prime is 261125431520113. The reversal of 261125431520110 is 11025134521162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261125431520113) 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, 1776048321 + ... + 1776195340.

It is an arithmetic number, because the mean of its divisors is an integer number (29380607328402).

Almost surely, 2^{261125431520110} is an apocalyptic number.

261125431520110 is a deficient number, since it is larger than the sum of its proper divisors (208964285734322).

261125431520110 is a wasteful number, since it uses less digits than its factorization.

261125431520110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3552251019.

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 261125431520110 in words is "two hundred sixty-one trillion, one hundred twenty-five billion, four hundred thirty-one million, five hundred twenty thousand, one hundred ten".