2054156231044 has 12 divisors (see below), whose sum is σ = 3595747359568. Its totient is φ = 1026799842600.

The previous prime is 2054156231033. The next prime is 2054156231047. The reversal of 2054156231044 is 4401326514502.

It is a super-2 number, since 2×2054156231044² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2054156230994 and 2054156231012.

It is not an unprimeable number, because it can be changed into a prime (2054156231047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69551622 + ... + 69581149.

Almost surely, 2^{2054156231044} is an apocalyptic number.

It is an amenable number.

2054156231044 is a deficient number, since it is larger than the sum of its proper divisors (1541591128524).

2054156231044 is a wasteful number, since it uses less digits than its factorization.

2054156231044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139136466 (or 139136464 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 2054156231044 in words is "two trillion, fifty-four billion, one hundred fifty-six million, two hundred thirty-one thousand, forty-four".