101872773651 has 32 divisors (see below), whose sum is σ = 156004807680. Its totient is φ = 58481287200.

The previous prime is 101872773643. The next prime is 101872773671. The reversal of 101872773651 is 156377278101.

It is not a de Polignac number, because 101872773651 - 2³ = 101872773643 is a prime.

It is a super-2 number, since 2×101872773651² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101872773651.

It is not an unprimeable number, because it can be changed into a prime (101872773601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4932336 + ... + 4952946.

It is an arithmetic number, because the mean of its divisors is an integer number (4875150240).

Almost surely, 2^101872773651 is an apocalyptic number.

101872773651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101872773651 is a deficient number, since it is larger than the sum of its proper divisors (54132034029).

101872773651 is a wasteful number, since it uses less digits than its factorization.

101872773651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28527.

The product of its (nonzero) digits is 493920, while the sum is 48.

The spelling of 101872773651 in words is "one hundred one billion, eight hundred seventy-two million, seven hundred seventy-three thousand, six hundred fifty-one".