101531155143051 has 24 divisors (see below), whose sum is σ = 154375360368320. Its totient is φ = 64124730489456.

The previous prime is 101531155143029. The next prime is 101531155143053. The reversal of 101531155143051 is 150341551135101.

101531155143051 is a `hidden beast` number, since 1 + 0 + 1 + 5 + 3 + 11 + 551 + 43 + 0 + 51 = 666.

It is not a de Polignac number, because 101531155143051 - 2¹⁵ = 101531155110283 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101531155142997 and 101531155143015.

It is not an unprimeable number, because it can be changed into a prime (101531155143053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64296180 + ... + 65856366.

Almost surely, 2^{101531155143051} is an apocalyptic number.

101531155143051 is a deficient number, since it is larger than the sum of its proper divisors (52844205225269).

101531155143051 is a wasteful number, since it uses less digits than its factorization.

101531155143051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940775 (or 1940772 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

The spelling of 101531155143051 in words is "one hundred one trillion, five hundred thirty-one billion, one hundred fifty-five million, one hundred forty-three thousand, fifty-one".