15557113412707 has 4 divisors (see below), whose sum is σ = 15571346820400. Its totient is φ = 15542880005016.

The previous prime is 15557113412699. The next prime is 15557113412713. The reversal of 15557113412707 is 70721431175551.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15557113412707 - 2³ = 15557113412699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15557113412777) 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, 7116702207 + ... + 7116704392.

It is an arithmetic number, because the mean of its divisors is an integer number (3892836705100).

Almost surely, 2^{15557113412707} is an apocalyptic number.

15557113412707 is a deficient number, since it is larger than the sum of its proper divisors (14233407693).

15557113412707 is a wasteful number, since it uses less digits than its factorization.

15557113412707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14233407692.

The product of its (nonzero) digits is 1029000, while the sum is 49.

The spelling of 15557113412707 in words is "fifteen trillion, five hundred fifty-seven billion, one hundred thirteen million, four hundred twelve thousand, seven hundred seven".