101520458200645 has 48 divisors (see below), whose sum is σ = 138073330854144. Its totient is φ = 71551362960000.

The previous prime is 101520458200631. The next prime is 101520458200661. The reversal of 101520458200645 is 546002854025101.

It is not a de Polignac number, because 101520458200645 - 2⁴¹ = 99321434945093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3415629 + ... + 14652898.

It is an arithmetic number, because the mean of its divisors is an integer number (2876527726128).

Almost surely, 2^{101520458200645} is an apocalyptic number.

It is an amenable number.

101520458200645 is a deficient number, since it is larger than the sum of its proper divisors (36552872653499).

101520458200645 is a wasteful number, since it uses less digits than its factorization.

101520458200645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18068842 (or 18068831 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 43.

The spelling of 101520458200645 in words is "one hundred one trillion, five hundred twenty billion, four hundred fifty-eight million, two hundred thousand, six hundred forty-five".