551922109512 has 16 divisors (see below), whose sum is σ = 1379805273840. Its totient is φ = 183974036496.

The previous prime is 551922109507. The next prime is 551922109517. The reversal of 551922109512 is 215901229155.

It is an interprime number because it is at equal distance from previous prime (551922109507) and next prime (551922109517).

It is a super-2 number, since 2×551922109512² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (551922109517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11498377258 + ... + 11498377305.

It is an arithmetic number, because the mean of its divisors is an integer number (86237829615).

Almost surely, 2^551922109512 is an apocalyptic number.

It is an amenable number.

551922109512 is an abundant number, since it is smaller than the sum of its proper divisors (827883164328).

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

551922109512 is a wasteful number, since it uses less digits than its factorization.

551922109512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22996754572 (or 22996754568 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 42.

The spelling of 551922109512 in words is "five hundred fifty-one billion, nine hundred twenty-two million, one hundred nine thousand, five hundred twelve".