155425153512 has 32 divisors (see below), whose sum is σ = 388742820480. Its totient is φ = 51784392960.

The previous prime is 155425153511. The next prime is 155425153549. The reversal of 155425153512 is 215351524551.

It is not an unprimeable number, because it can be changed into a prime (155425153511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1446528 + ... + 1550255.

It is an arithmetic number, because the mean of its divisors is an integer number (12148213140).

Almost surely, 2^155425153512 is an apocalyptic number.

155425153512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155425153512 is an abundant number, since it is smaller than the sum of its proper divisors (233317666968).

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

155425153512 is a wasteful number, since it uses less digits than its factorization.

155425153512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2998953 (or 2998949 counting only the distinct ones).

The product of its digits is 150000, while the sum is 39.

The spelling of 155425153512 in words is "one hundred fifty-five billion, four hundred twenty-five million, one hundred fifty-three thousand, five hundred twelve".