15530152440155 has 4 divisors (see below), whose sum is σ = 18636182928192. Its totient is φ = 12424121952120.

The previous prime is 15530152440119. The next prime is 15530152440157. The reversal of 15530152440155 is 55104425103551.

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

It is not a de Polignac number, because 15530152440155 - 2²⁶ = 15530085331291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15530152440157) 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, 1553015244011 + ... + 1553015244020.

It is an arithmetic number, because the mean of its divisors is an integer number (4659045732048).

Almost surely, 2^{15530152440155} is an apocalyptic number.

15530152440155 is a deficient number, since it is larger than the sum of its proper divisors (3106030488037).

15530152440155 is an equidigital number, since it uses as much as digits as its factorization.

15530152440155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3106030488036.

The product of its (nonzero) digits is 300000, while the sum is 41.

The spelling of 15530152440155 in words is "fifteen trillion, five hundred thirty billion, one hundred fifty-two million, four hundred forty thousand, one hundred fifty-five".