15420702275 has 12 divisors (see below), whose sum is σ = 20860004904. Its totient is φ = 11215056000.

The previous prime is 15420702263. The next prime is 15420702373. The reversal of 15420702275 is 57220702451.

It is not a de Polignac number, because 15420702275 - 2¹⁶ = 15420636739 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28037366 + ... + 28037915.

It is an arithmetic number, because the mean of its divisors is an integer number (1738333742).

Almost surely, 2^15420702275 is an apocalyptic number.

15420702275 is a deficient number, since it is larger than the sum of its proper divisors (5439302629).

15420702275 is a wasteful number, since it uses less digits than its factorization.

15420702275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56075302 (or 56075297 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 35.

The spelling of 15420702275 in words is "fifteen billion, four hundred twenty million, seven hundred two thousand, two hundred seventy-five".