11899485087 has 64 divisors (see below), whose sum is σ = 19516391424. Its totient is φ = 6294873600.

The previous prime is 11899485077. The next prime is 11899485089. The reversal of 11899485087 is 78058499811.

It is a happy number.

It is not a de Polignac number, because 11899485087 - 2⁴ = 11899485071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11899485087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11899485089) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5767018 + ... + 5769080.

It is an arithmetic number, because the mean of its divisors is an integer number (304943616).

Almost surely, 2^11899485087 is an apocalyptic number.

11899485087 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11899485087 is a deficient number, since it is larger than the sum of its proper divisors (7616906337).

11899485087 is a wasteful number, since it uses less digits than its factorization.

11899485087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348.

The product of its (nonzero) digits is 5806080, while the sum is 60.

The spelling of 11899485087 in words is "eleven billion, eight hundred ninety-nine million, four hundred eighty-five thousand, eighty-seven".