153121513540452 has 48 divisors (see below), whose sum is σ = 357445379062464. Its totient is φ = 51017384880000.

The previous prime is 153121513540441. The next prime is 153121513540453. The reversal of 153121513540452 is 254045315121351.

It is not an unprimeable number, because it can be changed into a prime (153121513540453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1109981802 + ... + 1110119742.

It is an arithmetic number, because the mean of its divisors is an integer number (7446778730468).

Almost surely, 2^{153121513540452} is an apocalyptic number.

153121513540452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

153121513540452 is an abundant number, since it is smaller than the sum of its proper divisors (204323865522012).

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

153121513540452 is a wasteful number, since it uses less digits than its factorization.

153121513540452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179180 (or 179178 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 153121513540452 in words is "one hundred fifty-three trillion, one hundred twenty-one billion, five hundred thirteen million, five hundred forty thousand, four hundred fifty-two".