1053660864278 has 64 divisors (see below), whose sum is σ = 1880090542080. Its totient is φ = 437540032800.

The previous prime is 1053660864239. The next prime is 1053660864307. The reversal of 1053660864278 is 8724680663501.

It is a super-2 number, since 2×1053660864278² (a number of 25 digits) contains 22 as substring.

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, 3523451 + ... + 3810777.

It is an arithmetic number, because the mean of its divisors is an integer number (29376414720).

Almost surely, 2^{1053660864278} is an apocalyptic number.

1053660864278 is a deficient number, since it is larger than the sum of its proper divisors (826429677802).

1053660864278 is a wasteful number, since it uses less digits than its factorization.

1053660864278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287673.

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 1053660864278 in words is "one trillion, fifty-three billion, six hundred sixty million, eight hundred sixty-four thousand, two hundred seventy-eight".