551251015532 has 24 divisors (see below), whose sum is σ = 1140519344160. Its totient is φ = 228103868160.

The previous prime is 551251015519. The next prime is 551251015541. The reversal of 551251015532 is 235510152155.

551251015532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×551251015532² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 551251015492 and 551251015501.

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, 339439469 + ... + 339441092.

It is an arithmetic number, because the mean of its divisors is an integer number (47521639340).

Almost surely, 2^551251015532 is an apocalyptic number.

It is an amenable number.

551251015532 is an abundant number, since it is smaller than the sum of its proper divisors (589268328628).

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

551251015532 is a wasteful number, since it uses less digits than its factorization.

551251015532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678880601 (or 678880599 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 35.

Adding to 551251015532 its reverse (235510152155), we get a palindrome (786761167687).

The spelling of 551251015532 in words is "five hundred fifty-one billion, two hundred fifty-one million, fifteen thousand, five hundred thirty-two".