631772152552 has 32 divisors (see below), whose sum is σ = 1186796620800. Its totient is φ = 315293606784.

The previous prime is 631772152471. The next prime is 631772152597. The reversal of 631772152552 is 255251277136.

It is a super-2 number, since 2×631772152552² (a number of 24 digits) contains 22 as substring.

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, 9403993 + ... + 9470935.

It is an arithmetic number, because the mean of its divisors is an integer number (37087394400).

Almost surely, 2^631772152552 is an apocalyptic number.

It is an amenable number.

631772152552 is a deficient number, since it is larger than the sum of its proper divisors (555024468248).

631772152552 is a wasteful number, since it uses less digits than its factorization.

631772152552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69145 (or 69141 counting only the distinct ones).

The product of its digits is 882000, while the sum is 46.

The spelling of 631772152552 in words is "six hundred thirty-one billion, seven hundred seventy-two million, one hundred fifty-two thousand, five hundred fifty-two".