11951625340 has 12 divisors (see below), whose sum is σ = 25098413256. Its totient is φ = 4780650128.

The previous prime is 11951625307. The next prime is 11951625409. The reversal of 11951625340 is 4352615911.

It is a self number, because there is not a number n which added to its sum of digits gives 11951625340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298790614 + ... + 298790653.

It is an arithmetic number, because the mean of its divisors is an integer number (2091534438).

Almost surely, 2^11951625340 is an apocalyptic number.

11951625340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11951625340 is an abundant number, since it is smaller than the sum of its proper divisors (13146787916).

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

11951625340 is a wasteful number, since it uses less digits than its factorization.

11951625340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597581276 (or 597581274 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 11951625340 in words is "eleven billion, nine hundred fifty-one million, six hundred twenty-five thousand, three hundred forty".