11870556657751 has 24 divisors (see below), whose sum is σ = 13398754157712. Its totient is φ = 10502940201600.

The previous prime is 11870556657677. The next prime is 11870556657769. The reversal of 11870556657751 is 15775665507811.

It is a happy number.

It is not a de Polignac number, because 11870556657751 - 2¹⁹ = 11870556133463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11870556657551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2597536 + ... + 5521621.

It is an arithmetic number, because the mean of its divisors is an integer number (558281423238).

Almost surely, 2^{11870556657751} is an apocalyptic number.

11870556657751 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11870556657751 is a deficient number, since it is larger than the sum of its proper divisors (1528197499961).

11870556657751 is a wasteful number, since it uses less digits than its factorization.

11870556657751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8119503 (or 8119492 counting only the distinct ones).

The product of its (nonzero) digits is 61740000, while the sum is 64.

The spelling of 11870556657751 in words is "eleven trillion, eight hundred seventy billion, five hundred fifty-six million, six hundred fifty-seven thousand, seven hundred fifty-one".