5511401545455 has 64 divisors (see below), whose sum is σ = 10555676208000. Its totient is φ = 2712294014976.

The previous prime is 5511401545439. The next prime is 5511401545477. The reversal of 5511401545455 is 5545451041155.

5511401545455 is a `hidden beast` number, since 5 + 5 + 1 + 1 + 40 + 154 + 5 + 455 = 666.

It is not a de Polignac number, because 5511401545455 - 2⁴ = 5511401545439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 5511401545455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4135261 + ... + 5303129.

It is an arithmetic number, because the mean of its divisors is an integer number (164932440750).

Almost surely, 2^{5511401545455} is an apocalyptic number.

5511401545455 is a deficient number, since it is larger than the sum of its proper divisors (5044274662545).

5511401545455 is a wasteful number, since it uses less digits than its factorization.

5511401545455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170585 (or 1170579 counting only the distinct ones).

The product of its (nonzero) digits is 1000000, while the sum is 45.

The spelling of 5511401545455 in words is "five trillion, five hundred eleven billion, four hundred one million, five hundred forty-five thousand, four hundred fifty-five".