152457038855521 has 4 divisors (see below), whose sum is σ = 152457075798532. Its totient is φ = 152457001912512.

The previous prime is 152457038855519. The next prime is 152457038855579. The reversal of 152457038855521 is 125558830754251.

152457038855521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80101855601296 + 72355183254225 = 8949964^2 + 8506185^2 .

It is a cyclic number.

It is not a de Polignac number, because 152457038855521 - 2¹ = 152457038855519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 152457038855521.

It is not an unprimeable number, because it can be changed into a prime (152457038855501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11371620 + ... + 20838133.

It is an arithmetic number, because the mean of its divisors is an integer number (38114268949633).

Almost surely, 2^{152457038855521} is an apocalyptic number.

It is an amenable number.

152457038855521 is a deficient number, since it is larger than the sum of its proper divisors (36943011).

152457038855521 is an equidigital number, since it uses as much as digits as its factorization.

152457038855521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36943010.

The product of its (nonzero) digits is 67200000, while the sum is 61.

The spelling of 152457038855521 in words is "one hundred fifty-two trillion, four hundred fifty-seven billion, thirty-eight million, eight hundred fifty-five thousand, five hundred twenty-one".