2054111512 has 8 divisors (see below), whose sum is σ = 3851459100. Its totient is φ = 1027055752.

The previous prime is 2054111471. The next prime is 2054111537. The reversal of 2054111512 is 2151114502.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2054111512² = 8438748207461852288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128381962 + ... + 128381977.

Almost surely, 2^2054111512 is an apocalyptic number.

It is an amenable number.

2054111512 is a deficient number, since it is larger than the sum of its proper divisors (1797347588).

2054111512 is a wasteful number, since it uses less digits than its factorization.

2054111512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256763945 (or 256763941 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 2054111512 is about 45322.3070021816. The cubic root of 2054111512 is about 1271.1827929317.

The spelling of 2054111512 in words is "two billion, fifty-four million, one hundred eleven thousand, five hundred twelve".