523420131225615 has 32 divisors (see below), whose sum is σ = 901894263238080. Its totient is φ = 257683438611456.

The previous prime is 523420131225581. The next prime is 523420131225737. The reversal of 523420131225615 is 516522131024325.

It is not a de Polignac number, because 523420131225615 - 2³¹ = 523417983741967 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 272935429 + ... + 274846481.

It is an arithmetic number, because the mean of its divisors is an integer number (28184195726190).

Almost surely, 2^{523420131225615} is an apocalyptic number.

523420131225615 is a deficient number, since it is larger than the sum of its proper divisors (378474132012465).

523420131225615 is a wasteful number, since it uses less digits than its factorization.

523420131225615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315643.

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 523420131225615 in words is "five hundred twenty-three trillion, four hundred twenty billion, one hundred thirty-one million, two hundred twenty-five thousand, six hundred fifteen".