12791152545 has 32 divisors (see below), whose sum is σ = 21550233600. Its totient is φ = 6460726464.

The previous prime is 12791152537. The next prime is 12791152547. The reversal of 12791152545 is 54525119721.

It is not a de Polignac number, because 12791152545 - 2³ = 12791152537 is a prime.

It is a super-2 number, since 2×12791152545² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12791152497 and 12791152506.

It is not an unprimeable number, because it can be changed into a prime (12791152547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1157014 + ... + 1168016.

It is an arithmetic number, because the mean of its divisors is an integer number (673444800).

Almost surely, 2^12791152545 is an apocalyptic number.

12791152545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12791152545 is a deficient number, since it is larger than the sum of its proper divisors (8759081055).

12791152545 is a wasteful number, since it uses less digits than its factorization.

12791152545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15109.

The product of its digits is 126000, while the sum is 42.

The spelling of 12791152545 in words is "twelve billion, seven hundred ninety-one million, one hundred fifty-two thousand, five hundred forty-five".