101510605045 has 4 divisors (see below), whose sum is σ = 121812726060. Its totient is φ = 81208484032.

The previous prime is 101510604989. The next prime is 101510605067. The reversal of 101510605045 is 540506015101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13658830641 + 87851774404 = 116871^2 + 296398^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101510605045 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10151060500 + ... + 10151060509.

It is an arithmetic number, because the mean of its divisors is an integer number (30453181515).

Almost surely, 2^101510605045 is an apocalyptic number.

It is an amenable number.

101510605045 is a deficient number, since it is larger than the sum of its proper divisors (20302121015).

101510605045 is an equidigital number, since it uses as much as digits as its factorization.

101510605045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20302121014.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 101510605045 in words is "one hundred one billion, five hundred ten million, six hundred five thousand, forty-five".