15552201501 has 16 divisors (see below), whose sum is σ = 23046441600. Its totient is φ = 10365369984.

The previous prime is 15552201487. The next prime is 15552201517. The reversal of 15552201501 is 10510225551.

15552201501 is a `hidden beast` number, since 155 + 5 + 2 + 2 + 0 + 1 + 501 = 666.

It is not a de Polignac number, because 15552201501 - 2⁶ = 15552201437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15552241501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29005 + ... + 178733.

It is an arithmetic number, because the mean of its divisors is an integer number (1440402600).

Almost surely, 2^15552201501 is an apocalyptic number.

It is an amenable number.

15552201501 is a deficient number, since it is larger than the sum of its proper divisors (7494240099).

15552201501 is a wasteful number, since it uses less digits than its factorization.

15552201501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153585 (or 153579 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 27.

The spelling of 15552201501 in words is "fifteen billion, five hundred fifty-two million, two hundred one thousand, five hundred one".