15542801079 has 8 divisors (see below), whose sum is σ = 22317868272. Its totient is φ = 9564800640.

The previous prime is 15542801051. The next prime is 15542801119. The reversal of 15542801079 is 97010824551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15542801079 - 2⁵ = 15542801047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15542801079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15542801009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199266642 + ... + 199266719.

It is an arithmetic number, because the mean of its divisors is an integer number (2789733534).

Almost surely, 2^15542801079 is an apocalyptic number.

15542801079 is a deficient number, since it is larger than the sum of its proper divisors (6775067193).

15542801079 is a wasteful number, since it uses less digits than its factorization.

15542801079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398533377.

The product of its (nonzero) digits is 100800, while the sum is 42.

The spelling of 15542801079 in words is "fifteen billion, five hundred forty-two million, eight hundred one thousand, seventy-nine".