11520514644454 has 16 divisors (see below), whose sum is σ = 17314867587600. Its totient is φ = 5748896473344.

The previous prime is 11520514644413. The next prime is 11520514644461. The reversal of 11520514644454 is 45444641502511.

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, 4212757 + ... + 6386575.

It is an arithmetic number, because the mean of its divisors is an integer number (1082179224225).

Almost surely, 2^{11520514644454} is an apocalyptic number.

11520514644454 is a deficient number, since it is larger than the sum of its proper divisors (5794352943146).

11520514644454 is a wasteful number, since it uses less digits than its factorization.

11520514644454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179047.

The product of its (nonzero) digits is 1536000, while the sum is 46.

The spelling of 11520514644454 in words is "eleven trillion, five hundred twenty billion, five hundred fourteen million, six hundred forty-four thousand, four hundred fifty-four".