5551100311545 has 16 divisors (see below), whose sum is σ = 9868622776320. Its totient is φ = 2960586832752.

The previous prime is 5551100311543. The next prime is 5551100311577. The reversal of 5551100311545 is 5451130011555.

5551100311545 is a `hidden beast` number, since 5 + 5 + 5 + 1 + 100 + 3 + 1 + 1 + 545 = 666.

It is not a de Polignac number, because 5551100311545 - 2¹ = 5551100311543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5551100311543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20559630649 + ... + 20559630918.

It is an arithmetic number, because the mean of its divisors is an integer number (616788923520).

Almost surely, 2^{5551100311545} is an apocalyptic number.

It is an amenable number.

5551100311545 is a deficient number, since it is larger than the sum of its proper divisors (4317522464775).

5551100311545 is a wasteful number, since it uses less digits than its factorization.

5551100311545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41119261581 (or 41119261575 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 36.

The spelling of 5551100311545 in words is "five trillion, five hundred fifty-one billion, one hundred million, three hundred eleven thousand, five hundred forty-five".