7497955129564 has 12 divisors (see below), whose sum is σ = 13893269799024. Its totient is φ = 3528449472704.

The previous prime is 7497955129537. The next prime is 7497955129571. The reversal of 7497955129564 is 4659215597947.

It is a super-2 number, since 2×7497955129564² (a number of 27 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 3 ways as a sum of consecutive naturals, for example, 55132022944 + ... + 55132023079.

It is an arithmetic number, because the mean of its divisors is an integer number (1157772483252).

Almost surely, 2^{7497955129564} is an apocalyptic number.

It is an amenable number.

7497955129564 is a deficient number, since it is larger than the sum of its proper divisors (6395314669460).

7497955129564 is a wasteful number, since it uses less digits than its factorization.

7497955129564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110264046044 (or 110264046042 counting only the distinct ones).

The product of its digits is 857304000, while the sum is 73.

The spelling of 7497955129564 in words is "seven trillion, four hundred ninety-seven billion, nine hundred fifty-five million, one hundred twenty-nine thousand, five hundred sixty-four".