1055030021512 has 16 divisors (see below), whose sum is σ = 1980218566800. Its totient is φ = 526971737040.

The previous prime is 1055030021491. The next prime is 1055030021533. The reversal of 1055030021512 is 2151200305501.

It is an interprime number because it is at equal distance from previous prime (1055030021491) and next prime (1055030021533).

It is a super-2 number, since 2×1055030021512² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67900962 + ... + 67916497.

It is an arithmetic number, because the mean of its divisors is an integer number (123763660425).

Almost surely, 2^{1055030021512} is an apocalyptic number.

It is an amenable number.

1055030021512 is a deficient number, since it is larger than the sum of its proper divisors (925188545288).

1055030021512 is a wasteful number, since it uses less digits than its factorization.

1055030021512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135818436 (or 135818432 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The spelling of 1055030021512 in words is "one trillion, fifty-five billion, thirty million, twenty-one thousand, five hundred twelve".