11907355851 has 6 divisors (see below), whose sum is σ = 17199514020. Its totient is φ = 7938237228.

The previous prime is 11907355847. The next prime is 11907355861. The reversal of 11907355851 is 15855370911.

11907355851 is a `hidden beast` number, since 1 + 1 + 90 + 7 + 3 + 558 + 5 + 1 = 666.

It is not a de Polignac number, because 11907355851 - 2² = 11907355847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11907355797 and 11907355806.

It is not an unprimeable number, because it can be changed into a prime (11907355861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 661519761 + ... + 661519778.

It is an arithmetic number, because the mean of its divisors is an integer number (2866585670).

Almost surely, 2^11907355851 is an apocalyptic number.

11907355851 is a deficient number, since it is larger than the sum of its proper divisors (5292158169).

11907355851 is a wasteful number, since it uses less digits than its factorization.

11907355851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323039545 (or 1323039542 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 45.

The spelling of 11907355851 in words is "eleven billion, nine hundred seven million, three hundred fifty-five thousand, eight hundred fifty-one".