65260401204531 has 64 divisors (see below), whose sum is σ = 94590402278400. Its totient is φ = 39783578664960.

The previous prime is 65260401204487. The next prime is 65260401204533. The reversal of 65260401204531 is 13540210406256.

It is not a de Polignac number, because 65260401204531 - 2⁷ = 65260401204403 is a prime.

It is a super-2 number, since 2×65260401204531² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 65260401204531.

It is not an unprimeable number, because it can be changed into a prime (65260401204533) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2440813995 + ... + 2440840731.

It is an arithmetic number, because the mean of its divisors is an integer number (1477975035600).

Almost surely, 2^{65260401204531} is an apocalyptic number.

65260401204531 is a deficient number, since it is larger than the sum of its proper divisors (29330001073869).

65260401204531 is a wasteful number, since it uses less digits than its factorization.

65260401204531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28156.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 65260401204531 in words is "sixty-five trillion, two hundred sixty billion, four hundred one million, two hundred four thousand, five hundred thirty-one".