15697361043 has 240 divisors, whose sum is σ = 31932744480. Its totient is φ = 7340046336.

The previous prime is 15697361041. The next prime is 15697361059. The reversal of 15697361043 is 34016379651.

It is a happy number.

15697361043 is a `hidden beast` number, since 1 + 569 + 7 + 36 + 10 + 43 = 666.

It is not a de Polignac number, because 15697361043 - 2¹ = 15697361041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15697361043.

It is not an unprimeable number, because it can be changed into a prime (15697361041) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 90736105 + ... + 90736277.

It is an arithmetic number, because the mean of its divisors is an integer number (133053102).

Almost surely, 2^15697361043 is an apocalyptic number.

15697361043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

15697361043 is an abundant number, since it is smaller than the sum of its proper divisors (16235383437).

15697361043 is a wasteful number, since it uses less digits than its factorization.

15697361043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The spelling of 15697361043 in words is "fifteen billion, six hundred ninety-seven million, three hundred sixty-one thousand, forty-three".