11887364401 has 12 divisors (see below), whose sum is σ = 13186165300. Its totient is φ = 10707539040.

The previous prime is 11887364389. The next prime is 11887364407. The reversal of 11887364401 is 10446378811.

It can be written as a sum of positive squares in 2 ways, for example, as 5586815025 + 6300549376 = 74745^2 + 79376^2 .

It is not a de Polignac number, because 11887364401 - 2⁵ = 11887364369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11887364407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 437466 + ... + 463843.

Almost surely, 2^11887364401 is an apocalyptic number.

11887364401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11887364401 is a deficient number, since it is larger than the sum of its proper divisors (1298800899).

11887364401 is a wasteful number, since it uses less digits than its factorization.

11887364401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901440 (or 901429 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 11887364401 in words is "eleven billion, eight hundred eighty-seven million, three hundred sixty-four thousand, four hundred one".