55126012011570 has 24 divisors (see below), whose sum is σ = 143327631230316. Its totient is φ = 14700269869728.

The previous prime is 55126012011559. The next prime is 55126012011641. The reversal of 55126012011570 is 7511021062155.

55126012011570 is a `hidden beast` number, since 5 + 5 + 1 + 2 + 60 + 1 + 20 + 1 + 1 + 570 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 44435995957089 + 10690016054481 = 6666033^2 + 3269559^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 306255622197 + ... + 306255622376.

Almost surely, 2^{55126012011570} is an apocalyptic number.

55126012011570 is an abundant number, since it is smaller than the sum of its proper divisors (88201619218746).

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

55126012011570 is a wasteful number, since it uses less digits than its factorization.

55126012011570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612511244586 (or 612511244583 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 36.

The spelling of 55126012011570 in words is "fifty-five trillion, one hundred twenty-six billion, twelve million, eleven thousand, five hundred seventy".