101571555051 has 12 divisors (see below), whose sum is σ = 146776066528. Its totient is φ = 67685940144.

The previous prime is 101571555037. The next prime is 101571555067. The reversal of 101571555051 is 150555175101.

101571555051 is a `hidden beast` number, since 1 + 0 + 1 + 57 + 1 + 5 + 550 + 51 = 666.

It is not a de Polignac number, because 101571555051 - 2¹⁰ = 101571554027 is a prime.

It is a super-2 number, since 2×101571555051² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101571554997 and 101571555015.

It is not an unprimeable number, because it can be changed into a prime (101571555751) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2346520 + ... + 2389413.

Almost surely, 2^101571555051 is an apocalyptic number.

101571555051 is a deficient number, since it is larger than the sum of its proper divisors (45204511477).

101571555051 is a wasteful number, since it uses less digits than its factorization.

101571555051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4738322 (or 4738319 counting only the distinct ones).

The product of its (nonzero) digits is 21875, while the sum is 36.

The spelling of 101571555051 in words is "one hundred one billion, five hundred seventy-one million, five hundred fifty-five thousand, fifty-one".