42312510121552 has 40 divisors (see below), whose sum is σ = 89433627354720. Its totient is φ = 19232880151680.

The previous prime is 42312510121481. The next prime is 42312510121561. The reversal of 42312510121552 is 25512101521324.

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, 76441399 + ... + 76992937.

It is an arithmetic number, because the mean of its divisors is an integer number (2235840683868).

Almost surely, 2^{42312510121552} is an apocalyptic number.

It is an amenable number.

42312510121552 is an abundant number, since it is smaller than the sum of its proper divisors (47121117233168).

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

42312510121552 is a wasteful number, since it uses less digits than its factorization.

42312510121552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987451 (or 987445 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

Adding to 42312510121552 its reverse (25512101521324), we get a palindrome (67824611642876).

The spelling of 42312510121552 in words is "forty-two trillion, three hundred twelve billion, five hundred ten million, one hundred twenty-one thousand, five hundred fifty-two".