551173975995 has 16 divisors (see below), whose sum is σ = 882096152832. Its totient is φ = 293886856800.

The previous prime is 551173975981. The next prime is 551173976029. The reversal of 551173975995 is 599579371155.

551173975995 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 551173975995 - 2¹⁶ = 551173910459 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4474527 + ... + 4596056.

It is an arithmetic number, because the mean of its divisors is an integer number (55131009552).

Almost surely, 2^551173975995 is an apocalyptic number.

551173975995 is a deficient number, since it is larger than the sum of its proper divisors (330922176837).

551173975995 is a wasteful number, since it uses less digits than its factorization.

551173975995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9074642.

The product of its digits is 66976875, while the sum is 66.

The spelling of 551173975995 in words is "five hundred fifty-one billion, one hundred seventy-three million, nine hundred seventy-five thousand, nine hundred ninety-five".