15120113451 has 16 divisors (see below), whose sum is σ = 21077107200. Its totient is φ = 9623282240.

The previous prime is 15120113443. The next prime is 15120113461. The reversal of 15120113451 is 15431102151.

It is a cyclic number.

It is not a de Polignac number, because 15120113451 - 2³ = 15120113443 is a prime.

It is a super-2 number, since 2×15120113451² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15120113441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174351 + ... + 246248.

It is an arithmetic number, because the mean of its divisors is an integer number (1317319200).

Almost surely, 2^15120113451 is an apocalyptic number.

15120113451 is a deficient number, since it is larger than the sum of its proper divisors (5956993749).

15120113451 is a wasteful number, since it uses less digits than its factorization.

15120113451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421146.

The product of its (nonzero) digits is 600, while the sum is 24.

The spelling of 15120113451 in words is "fifteen billion, one hundred twenty million, one hundred thirteen thousand, four hundred fifty-one".