101790865451 has 16 divisors (see below), whose sum is σ = 114260023008. Its totient is φ = 89892192000.

The previous prime is 101790865409. The next prime is 101790865453. The reversal of 101790865451 is 154568097101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101790865451 is a prime.

It is a super-2 number, since 2×101790865451² (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 = 101790865396 and 101790865405.

It is not an unprimeable number, because it can be changed into a prime (101790865453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 805466 + ... + 923231.

It is an arithmetic number, because the mean of its divisors is an integer number (7141251438).

Almost surely, 2^101790865451 is an apocalyptic number.

101790865451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101790865451 is a deficient number, since it is larger than the sum of its proper divisors (12469157557).

101790865451 is a wasteful number, since it uses less digits than its factorization.

101790865451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728862.

The product of its (nonzero) digits is 302400, while the sum is 47.

The spelling of 101790865451 in words is "one hundred one billion, seven hundred ninety million, eight hundred sixty-five thousand, four hundred fifty-one".