1053864138556 has 24 divisors (see below), whose sum is σ = 1863350024480. Its totient is φ = 521478853632.

The previous prime is 1053864138541. The next prime is 1053864138557. The reversal of 1053864138556 is 6558314683501.

It is a super-2 number, since 2×1053864138556² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1053864138497 and 1053864138506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053864138557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14929561 + ... + 14999983.

Almost surely, 2^{1053864138556} is an apocalyptic number.

It is an amenable number.

1053864138556 is a deficient number, since it is larger than the sum of its proper divisors (809485885924).

1053864138556 is a wasteful number, since it uses less digits than its factorization.

1053864138556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109093 (or 109091 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 55.

The spelling of 1053864138556 in words is "one trillion, fifty-three billion, eight hundred sixty-four million, one hundred thirty-eight thousand, five hundred fifty-six".