155153656012 has 24 divisors (see below), whose sum is σ = 274422844080. Its totient is φ = 76748337600.

The previous prime is 155153655983. The next prime is 155153656051. The reversal of 155153656012 is 210656351551.

It is a happy 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, 365539 + ... + 666277.

It is an arithmetic number, because the mean of its divisors is an integer number (11434285170).

Almost surely, 2^155153656012 is an apocalyptic number.

It is an amenable number.

155153656012 is a deficient number, since it is larger than the sum of its proper divisors (119269188068).

155153656012 is a wasteful number, since it uses less digits than its factorization.

155153656012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302121 (or 302119 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 155153656012 in words is "one hundred fifty-five billion, one hundred fifty-three million, six hundred fifty-six thousand, twelve".