155639134048 has 48 divisors (see below), whose sum is σ = 308520805824. Its totient is φ = 77285145600.

The previous prime is 155639134031. The next prime is 155639134067. The reversal of 155639134048 is 840431936551.

It is a super-2 number, since 2×155639134048² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 155639133992 and 155639134010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11804836 + ... + 11818012.

It is an arithmetic number, because the mean of its divisors is an integer number (6427516788).

Almost surely, 2^155639134048 is an apocalyptic number.

It is an amenable number.

155639134048 is a deficient number, since it is larger than the sum of its proper divisors (152881671776).

155639134048 is a wasteful number, since it uses less digits than its factorization.

155639134048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15695 (or 15687 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 155639134048 in words is "one hundred fifty-five billion, six hundred thirty-nine million, one hundred thirty-four thousand, forty-eight".