152121502556 has 24 divisors (see below), whose sum is σ = 277904062464. Its totient is φ = 72723126960.

The previous prime is 152121502499. The next prime is 152121502583. The reversal of 152121502556 is 655205121251.

It is a super-2 number, since 2×152121502556² (a number of 23 digits) contains 22 as substring.

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, 127700 + ... + 566171.

It is an arithmetic number, because the mean of its divisors is an integer number (11579335936).

Almost surely, 2^152121502556 is an apocalyptic number.

It is an amenable number.

152121502556 is a deficient number, since it is larger than the sum of its proper divisors (125782559908).

152121502556 is a wasteful number, since it uses less digits than its factorization.

152121502556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696281 (or 696279 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 35.

The spelling of 152121502556 in words is "one hundred fifty-two billion, one hundred twenty-one million, five hundred two thousand, five hundred fifty-six".