15379060978542 has 64 divisors (see below), whose sum is σ = 32272873265664. Its totient is φ = 4876396103040.

The previous prime is 15379060978517. The next prime is 15379060978639. The reversal of 15379060978542 is 24587906097351.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36976888 + ... + 37390484.

It is an arithmetic number, because the mean of its divisors is an integer number (504263644776).

It is a 1-persistent number, because it is pandigital, but 2⋅15379060978542 = 30758121957084 is not.

Almost surely, 2^{15379060978542} is an apocalyptic number.

15379060978542 is an abundant number, since it is smaller than the sum of its proper divisors (16893812287122).

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

15379060978542 is a wasteful number, since it uses less digits than its factorization.

15379060978542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415113.

The product of its (nonzero) digits is 114307200, while the sum is 66.

The spelling of 15379060978542 in words is "fifteen trillion, three hundred seventy-nine billion, sixty million, nine hundred seventy-eight thousand, five hundred forty-two".