261362056022 has 32 divisors (see below), whose sum is σ = 400405783680. Its totient is φ = 127927517760.

The previous prime is 261362055961. The next prime is 261362056027. The reversal of 261362056022 is 220650263162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261362056027) 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, 8393522 + ... + 8424602.

It is an arithmetic number, because the mean of its divisors is an integer number (12512680740).

Almost surely, 2^261362056022 is an apocalyptic number.

261362056022 is a deficient number, since it is larger than the sum of its proper divisors (139043727658).

261362056022 is a wasteful number, since it uses less digits than its factorization.

261362056022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31628.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 261362056022 in words is "two hundred sixty-one billion, three hundred sixty-two million, fifty-six thousand, twenty-two".