11420015706 has 48 divisors (see below), whose sum is σ = 28166374080. Its totient is φ = 3310148160.

The previous prime is 11420015699. The next prime is 11420015713. The reversal of 11420015706 is 60751002411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11420015699) and next prime (11420015713).

It is a self number, because there is not a number n which added to its sum of digits gives 11420015706.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1249291 + ... + 1258398.

It is an arithmetic number, because the mean of its divisors is an integer number (586799460).

Almost surely, 2^11420015706 is an apocalyptic number.

11420015706 is an abundant number, since it is smaller than the sum of its proper divisors (16746358374).

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

11420015706 is a wasteful number, since it uses less digits than its factorization.

11420015706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507731 (or 2507728 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The spelling of 11420015706 in words is "eleven billion, four hundred twenty million, fifteen thousand, seven hundred six".