11953851340 has 24 divisors (see below), whose sum is σ = 25106713632. Its totient is φ = 4780849920.

The previous prime is 11953851337. The next prime is 11953851367. The reversal of 11953851340 is 4315835911.

It is a junction number, because it is equal to n+sod(n) for n = 11953851293 and 11953851302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112452 + ... + 191188.

It is an arithmetic number, because the mean of its divisors is an integer number (1046113068).

Almost surely, 2^11953851340 is an apocalyptic number.

11953851340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11953851340 is an abundant number, since it is smaller than the sum of its proper divisors (13152862292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11953851340 is a wasteful number, since it uses less digits than its factorization.

11953851340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86337 (or 86335 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 40.

The spelling of 11953851340 in words is "eleven billion, nine hundred fifty-three million, eight hundred fifty-one thousand, three hundred forty".