155607340012 has 24 divisors (see below), whose sum is σ = 273751455600. Its totient is φ = 77393541696.

The previous prime is 155607339973. The next prime is 155607340039. The reversal of 155607340012 is 210043706551.

It is a super-2 number, since 2×155607340012² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 155607340012.

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, 579414 + ... + 804322.

It is an arithmetic number, because the mean of its divisors is an integer number (11406310650).

Almost surely, 2^155607340012 is an apocalyptic number.

It is an amenable number.

155607340012 is a deficient number, since it is larger than the sum of its proper divisors (118144115588).

155607340012 is a wasteful number, since it uses less digits than its factorization.

155607340012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225825 (or 225823 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 155607340012 in words is "one hundred fifty-five billion, six hundred seven million, three hundred forty thousand, twelve".