61064233015523 has 6 divisors (see below), whose sum is σ = 64447293016764. Its totient is φ = 57850326014364.

The previous prime is 61064233015477. The next prime is 61064233015547. The reversal of 61064233015523 is 32551033246016.

It is not a de Polignac number, because 61064233015523 - 2⁶ = 61064233015459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61064233015553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84576499661 + ... + 84576500382.

It is an arithmetic number, because the mean of its divisors is an integer number (10741215502794).

Almost surely, 2^{61064233015523} is an apocalyptic number.

61064233015523 is a deficient number, since it is larger than the sum of its proper divisors (3383060001241).

61064233015523 is a wasteful number, since it uses less digits than its factorization.

61064233015523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169153000081 (or 169153000062 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 61064233015523 in words is "sixty-one trillion, sixty-four billion, two hundred thirty-three million, fifteen thousand, five hundred twenty-three".