155525314015 has 16 divisors (see below), whose sum is σ = 189193245696. Its totient is φ = 122721300000.

The previous prime is 155525313901. The next prime is 155525314033. The reversal of 155525314015 is 510413525551.

It is a de Polignac number, because none of the positive numbers 2^k-155525314015 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472311 + ... + 730840.

It is an arithmetic number, because the mean of its divisors is an integer number (11824577856).

Almost surely, 2^155525314015 is an apocalyptic number.

155525314015 is a deficient number, since it is larger than the sum of its proper divisors (33667931681).

155525314015 is a wasteful number, since it uses less digits than its factorization.

155525314015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203510.

The product of its (nonzero) digits is 75000, while the sum is 37.

Adding to 155525314015 its reverse (510413525551), we get a palindrome (665938839566).

The spelling of 155525314015 in words is "one hundred fifty-five billion, five hundred twenty-five million, three hundred fourteen thousand, fifteen".