155915979262 has 16 divisors (see below), whose sum is σ = 241980521040. Its totient is φ = 75256737472.

The previous prime is 155915979259. The next prime is 155915979341. The reversal of 155915979262 is 262979519551.

It is a self number, because there is not a number n which added to its sum of digits gives 155915979262.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108858 + ... + 568930.

It is an arithmetic number, because the mean of its divisors is an integer number (15123782565).

Almost surely, 2^155915979262 is an apocalyptic number.

155915979262 is a deficient number, since it is larger than the sum of its proper divisors (86064541778).

155915979262 is a wasteful number, since it uses less digits than its factorization.

155915979262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465947.

The product of its digits is 15309000, while the sum is 61.

The spelling of 155915979262 in words is "one hundred fifty-five billion, nine hundred fifteen million, nine hundred seventy-nine thousand, two hundred sixty-two".