61425115065264 has 40 divisors (see below), whose sum is σ = 158683404993520. Its totient is φ = 20474798646528.

The previous prime is 61425115065253. The next prime is 61425115065277. The reversal of 61425115065264 is 46256051152416.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3324307 + ... + 11571570.

It is an arithmetic number, because the mean of its divisors is an integer number (3967085124838).

Almost surely, 2^{61425115065264} is an apocalyptic number.

It is an amenable number.

61425115065264 is an abundant number, since it is smaller than the sum of its proper divisors (97258289928256).

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

61425115065264 is a wasteful number, since it uses less digits than its factorization.

61425115065264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14981797 (or 14981791 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 61425115065264 in words is "sixty-one trillion, four hundred twenty-five billion, one hundred fifteen million, sixty-five thousand, two hundred sixty-four".