15105505542 has 32 divisors (see below), whose sum is σ = 30292942560. Its totient is φ = 5021533440.

The previous prime is 15105505523. The next prime is 15105505589. The reversal of 15105505542 is 24550550151.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4857084 + ... + 4860192.

It is an arithmetic number, because the mean of its divisors is an integer number (946654455).

Almost surely, 2^15105505542 is an apocalyptic number.

15105505542 is an abundant number, since it is smaller than the sum of its proper divisors (15187437018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15105505542 is a wasteful number, since it uses less digits than its factorization.

15105505542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5048.

The product of its (nonzero) digits is 25000, while the sum is 33.

The spelling of 15105505542 in words is "fifteen billion, one hundred five million, five hundred five thousand, five hundred forty-two".