61290155271464 has 48 divisors (see below), whose sum is σ = 133684299917280. Its totient is φ = 26266626540000.

The previous prime is 61290155271413. The next prime is 61290155271469. The reversal of 61290155271464 is 46417255109216.

It is not an unprimeable number, because it can be changed into a prime (61290155271469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16189589 + ... + 19613339.

It is an arithmetic number, because the mean of its divisors is an integer number (2785089581610).

Almost surely, 2^{61290155271464} is an apocalyptic number.

It is an amenable number.

61290155271464 is an abundant number, since it is smaller than the sum of its proper divisors (72394144645816).

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

61290155271464 is a wasteful number, since it uses less digits than its factorization.

61290155271464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3469438 (or 3469427 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 61290155271464 in words is "sixty-one trillion, two hundred ninety billion, one hundred fifty-five million, two hundred seventy-one thousand, four hundred sixty-four".