15425793878075 has 48 divisors (see below), whose sum is σ = 22450149390144. Its totient is φ = 10293698764800.

The previous prime is 15425793878069. The next prime is 15425793878081. The reversal of 15425793878075 is 57087839752451.

It is an interprime number because it is at equal distance from previous prime (15425793878069) and next prime (15425793878081).

It is not a de Polignac number, because 15425793878075 - 2⁴⁰ = 14326282250299 is a prime.

It is a super-2 number, since 2×15425793878075² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140747 + ... + 5556203.

It is an arithmetic number, because the mean of its divisors is an integer number (467711445628).

Almost surely, 2^{15425793878075} is an apocalyptic number.

15425793878075 is a deficient number, since it is larger than the sum of its proper divisors (7024355512069).

15425793878075 is a wasteful number, since it uses less digits than its factorization.

15425793878075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5415912 (or 5415907 counting only the distinct ones).

The product of its (nonzero) digits is 592704000, while the sum is 71.

The spelling of 15425793878075 in words is "fifteen trillion, four hundred twenty-five billion, seven hundred ninety-three million, eight hundred seventy-eight thousand, seventy-five".