1292472572518 has 16 divisors (see below), whose sum is σ = 2017864957680. Its totient is φ = 620124343776.

The previous prime is 1292472572507. The next prime is 1292472572543. The reversal of 1292472572518 is 8152752742921.

It is a super-2 number, since 2×1292472572518² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 68346405 + ... + 68365312.

It is an arithmetic number, because the mean of its divisors is an integer number (126116559855).

Almost surely, 2^{1292472572518} is an apocalyptic number.

1292472572518 is a deficient number, since it is larger than the sum of its proper divisors (725392385162).

1292472572518 is a wasteful number, since it uses less digits than its factorization.

1292472572518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136711911.

The product of its digits is 5644800, while the sum is 55.

The spelling of 1292472572518 in words is "one trillion, two hundred ninety-two billion, four hundred seventy-two million, five hundred seventy-two thousand, five hundred eighteen".