91452140502511 has 4 divisors (see below), whose sum is σ = 92817097823512. Its totient is φ = 90087183181512.

The previous prime is 91452140502493. The next prime is 91452140502521. The reversal of 91452140502511 is 11520504125419.

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

It is a cyclic number.

It is not a de Polignac number, because 91452140502511 - 2¹⁵ = 91452140469743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91452140502521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682478660400 + ... + 682478660533.

It is an arithmetic number, because the mean of its divisors is an integer number (23204274455878).

Almost surely, 2^{91452140502511} is an apocalyptic number.

91452140502511 is a deficient number, since it is larger than the sum of its proper divisors (1364957321001).

91452140502511 is a wasteful number, since it uses less digits than its factorization.

91452140502511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364957321000.

The product of its (nonzero) digits is 72000, while the sum is 40.

The spelling of 91452140502511 in words is "ninety-one trillion, four hundred fifty-two billion, one hundred forty million, five hundred two thousand, five hundred eleven".