15201042163651 has 32 divisors (see below), whose sum is σ = 16644761134848. Its totient is φ = 13825557688320.

The previous prime is 15201042163607. The next prime is 15201042163667. The reversal of 15201042163651 is 15636124010251.

It is not a de Polignac number, because 15201042163651 - 2²³ = 15201033775043 is a prime.

It is a super-2 number, since 2×15201042163651² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15201042163651.

It is not an unprimeable number, because it can be changed into a prime (15201042103651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227081656 + ... + 227148586.

It is an arithmetic number, because the mean of its divisors is an integer number (520148785464).

Almost surely, 2^{15201042163651} is an apocalyptic number.

15201042163651 is a deficient number, since it is larger than the sum of its proper divisors (1443718971197).

15201042163651 is a wasteful number, since it uses less digits than its factorization.

15201042163651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70291.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 15201042163651 in words is "fifteen trillion, two hundred one billion, forty-two million, one hundred sixty-three thousand, six hundred fifty-one".