551978651132 has 12 divisors (see below), whose sum is σ = 969811097976. Its totient is φ = 274889766000.

The previous prime is 551978651087. The next prime is 551978651141. The reversal of 551978651132 is 231156879155.

551978651132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274888763 + ... + 274890770.

It is an arithmetic number, because the mean of its divisors is an integer number (80817591498).

Almost surely, 2^551978651132 is an apocalyptic number.

It is an amenable number.

551978651132 is a deficient number, since it is larger than the sum of its proper divisors (417832446844).

551978651132 is a wasteful number, since it uses less digits than its factorization.

551978651132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549779788 (or 549779786 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 53.

The spelling of 551978651132 in words is "five hundred fifty-one billion, nine hundred seventy-eight million, six hundred fifty-one thousand, one hundred thirty-two".