42651001061523 has 48 divisors (see below), whose sum is σ = 64925146638144. Its totient is φ = 26927173996800.

The previous prime is 42651001061519. The next prime is 42651001061533. The reversal of 42651001061523 is 32516010015624.

42651001061523 is a `hidden beast` number, since 4 + 2 + 6 + 5 + 1 + 0 + 0 + 10 + 615 + 23 = 666.

It is not a de Polignac number, because 42651001061523 - 2² = 42651001061519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42651001061533) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 643337965 + ... + 643404257.

It is an arithmetic number, because the mean of its divisors is an integer number (1352607221628).

Almost surely, 2^{42651001061523} is an apocalyptic number.

42651001061523 is a deficient number, since it is larger than the sum of its proper divisors (22274145576621).

42651001061523 is a wasteful number, since it uses less digits than its factorization.

42651001061523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97196 (or 97193 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 42651001061523 in words is "forty-two trillion, six hundred fifty-one billion, one million, sixty-one thousand, five hundred twenty-three".