61001231392 has 48 divisors (see below), whose sum is σ = 123063300864. Its totient is φ = 29747520000.

The previous prime is 61001231377. The next prime is 61001231399. The reversal of 61001231392 is 29313210016.

61001231392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 61001231392.

It is not an unprimeable number, because it can be changed into a prime (61001231399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6491017 + ... + 6500407.

It is an arithmetic number, because the mean of its divisors is an integer number (2563818768).

Almost surely, 2^61001231392 is an apocalyptic number.

It is an amenable number.

61001231392 is an abundant number, since it is smaller than the sum of its proper divisors (62062069472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61001231392 is a wasteful number, since it uses less digits than its factorization.

61001231392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14393 (or 14385 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 61001231392 in words is "sixty-one billion, one million, two hundred thirty-one thousand, three hundred ninety-two".