105870653545 has 32 divisors (see below), whose sum is σ = 130767436800. Its totient is φ = 82259713536.

The previous prime is 105870653531. The next prime is 105870653611. The reversal of 105870653545 is 545356078501.

It is a cyclic number.

It is not a de Polignac number, because 105870653545 - 2⁵ = 105870653513 is a prime.

It is a super-2 number, since 2×105870653545² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6917892 + ... + 6933178.

It is an arithmetic number, because the mean of its divisors is an integer number (4086482400).

Almost surely, 2^105870653545 is an apocalyptic number.

It is an amenable number.

105870653545 is a deficient number, since it is larger than the sum of its proper divisors (24896783255).

105870653545 is a wasteful number, since it uses less digits than its factorization.

105870653545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15657.

The product of its (nonzero) digits is 2520000, while the sum is 49.

The spelling of 105870653545 in words is "one hundred five billion, eight hundred seventy million, six hundred fifty-three thousand, five hundred forty-five".