15457954918052 has 6 divisors (see below), whose sum is σ = 27051421106598. Its totient is φ = 7728977459024.

The previous prime is 15457954918019. The next prime is 15457954918079. The reversal of 15457954918052 is 25081945975451.

It can be written as a sum of positive squares in only one way, i.e., 14987614075456 + 470340842596 = 3871384^2 + 685814^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 15457954918052.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1932244364753 + ... + 1932244364760.

It is an arithmetic number, because the mean of its divisors is an integer number (4508570184433).

Almost surely, 2^{15457954918052} is an apocalyptic number.

It is an amenable number.

15457954918052 is a deficient number, since it is larger than the sum of its proper divisors (11593466188546).

15457954918052 is a wasteful number, since it uses less digits than its factorization.

15457954918052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3864488729517 (or 3864488729515 counting only the distinct ones).

The product of its (nonzero) digits is 90720000, while the sum is 65.

The spelling of 15457954918052 in words is "fifteen trillion, four hundred fifty-seven billion, nine hundred fifty-four million, nine hundred eighteen thousand, fifty-two".