15154783515048 has 16 divisors (see below), whose sum is σ = 37886958787680. Its totient is φ = 5051594505008.

The previous prime is 15154783515043. The next prime is 15154783515049. The reversal of 15154783515048 is 84051538745151.

It is a super-2 number, since 2×15154783515048² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15154783515041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315724656540 + ... + 315724656587.

It is an arithmetic number, because the mean of its divisors is an integer number (2367934924230).

Almost surely, 2^{15154783515048} is an apocalyptic number.

It is an amenable number.

15154783515048 is an abundant number, since it is smaller than the sum of its proper divisors (22732175272632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15154783515048 is a wasteful number, since it uses less digits than its factorization.

15154783515048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631449313136 (or 631449313132 counting only the distinct ones).

The product of its (nonzero) digits is 13440000, while the sum is 57.

The spelling of 15154783515048 in words is "fifteen trillion, one hundred fifty-four billion, seven hundred eighty-three million, five hundred fifteen thousand, forty-eight".