11387952730 has 64 divisors (see below), whose sum is σ = 26150750208. Its totient is φ = 3466935360.

The previous prime is 11387952691. The next prime is 11387952731. The reversal of 11387952730 is 3725978311.

It is not an unprimeable number, because it can be changed into a prime (11387952731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138862 + ... + 205081.

It is an arithmetic number, because the mean of its divisors is an integer number (408605472).

Almost surely, 2^11387952730 is an apocalyptic number.

11387952730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11387952730 is an abundant number, since it is smaller than the sum of its proper divisors (14762797478).

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

11387952730 is a wasteful number, since it uses less digits than its factorization.

11387952730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344011.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 11387952730 in words is "eleven billion, three hundred eighty-seven million, nine hundred fifty-two thousand, seven hundred thirty".