11858494015 has 16 divisors (see below), whose sum is σ = 14692663296. Its totient is φ = 9178624800.

The previous prime is 11858494003. The next prime is 11858494019. The reversal of 11858494015 is 51049485811.

It is not a de Polignac number, because 11858494015 - 2³¹ = 9711010367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11858494019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1095580 + ... + 1106350.

It is an arithmetic number, because the mean of its divisors is an integer number (918291456).

Almost surely, 2^11858494015 is an apocalyptic number.

11858494015 is a deficient number, since it is larger than the sum of its proper divisors (2834169281).

11858494015 is a wasteful number, since it uses less digits than its factorization.

11858494015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17910.

The product of its (nonzero) digits is 230400, while the sum is 46.

The spelling of 11858494015 in words is "eleven billion, eight hundred fifty-eight million, four hundred ninety-four thousand, fifteen".