7503789145172 has 24 divisors (see below), whose sum is σ = 13727621979456. Its totient is φ = 3582207877248.

The previous prime is 7503789145169. The next prime is 7503789145213. The reversal of 7503789145172 is 2715419873057.

It is a super-2 number, since 2×7503789145172² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74504453 + ... + 74605100.

It is an arithmetic number, because the mean of its divisors is an integer number (571984249144).

Almost surely, 2^{7503789145172} is an apocalyptic number.

It is an amenable number.

7503789145172 is a deficient number, since it is larger than the sum of its proper divisors (6223832834284).

7503789145172 is a wasteful number, since it uses less digits than its factorization.

7503789145172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149110127 (or 149110125 counting only the distinct ones).

The product of its (nonzero) digits is 14817600, while the sum is 59.

The spelling of 7503789145172 in words is "seven trillion, five hundred three billion, seven hundred eighty-nine million, one hundred forty-five thousand, one hundred seventy-two".