2115543050464 has 48 divisors (see below), whose sum is σ = 4205199423600. Its totient is φ = 1047593124864.

The previous prime is 2115543050441. The next prime is 2115543050561. The reversal of 2115543050464 is 4640503455112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1237794 + ... + 2400670.

It is an arithmetic number, because the mean of its divisors is an integer number (87608321325).

Almost surely, 2^{2115543050464} is an apocalyptic number.

It is an amenable number.

2115543050464 is a deficient number, since it is larger than the sum of its proper divisors (2089656373136).

2115543050464 is a wasteful number, since it uses less digits than its factorization.

2115543050464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163435 (or 1163427 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 2115543050464 in words is "two trillion, one hundred fifteen billion, five hundred forty-three million, fifty thousand, four hundred sixty-four".