1372157615044 has 6 divisors (see below), whose sum is σ = 2401275826334. Its totient is φ = 686078807520.

The previous prime is 1372157614999. The next prime is 1372157615069. The reversal of 1372157615044 is 4405167512731.

It can be written as a sum of positive squares in only one way, i.e., 1081367052544 + 290790562500 = 1039888^2 + 539250^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1372157614985 and 1372157615003.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171519701877 + ... + 171519701884.

Almost surely, 2^{1372157615044} is an apocalyptic number.

It is an amenable number.

1372157615044 is a deficient number, since it is larger than the sum of its proper divisors (1029118211290).

1372157615044 is a wasteful number, since it uses less digits than its factorization.

1372157615044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343039403765 (or 343039403763 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 1372157615044 in words is "one trillion, three hundred seventy-two billion, one hundred fifty-seven million, six hundred fifteen thousand, forty-four".