15155500801 has 32 divisors (see below), whose sum is σ = 18240380928. Its totient is φ = 12321106560.

The previous prime is 15155500793. The next prime is 15155500849. The reversal of 15155500801 is 10800555151.

It is a happy number.

It is not a de Polignac number, because 15155500801 - 2³ = 15155500793 is a prime.

It is a super-2 number, since 2×15155500801² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15155500001) 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, 2749290 + ... + 2754796.

It is an arithmetic number, because the mean of its divisors is an integer number (570011904).

Almost surely, 2^15155500801 is an apocalyptic number.

It is an amenable number.

15155500801 is a deficient number, since it is larger than the sum of its proper divisors (3084880127).

15155500801 is a wasteful number, since it uses less digits than its factorization.

15155500801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5821.

The product of its (nonzero) digits is 5000, while the sum is 31.

The spelling of 15155500801 in words is "fifteen billion, one hundred fifty-five million, five hundred thousand, eight hundred one".