265611360042 has 24 divisors (see below), whose sum is σ = 657704320416. Its totient is φ = 75888959976.

The previous prime is 265611360037. The next prime is 265611360043. The reversal of 265611360042 is 240063116562.

265611360042 is a `hidden beast` number, since 2 + 6 + 5 + 6 + 1 + 1 + 3 + 600 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 265611359979 and 265611360006.

It is not an unprimeable number, because it can be changed into a prime (265611360043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1054013208 + ... + 1054013459.

It is an arithmetic number, because the mean of its divisors is an integer number (27404346684).

Almost surely, 2^265611360042 is an apocalyptic number.

265611360042 is an abundant number, since it is smaller than the sum of its proper divisors (392092960374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

265611360042 is a wasteful number, since it uses less digits than its factorization.

265611360042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108026682 (or 2108026679 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 265611360042 in words is "two hundred sixty-five billion, six hundred eleven million, three hundred sixty thousand, forty-two".