11387952642 has 32 divisors (see below), whose sum is σ = 24851592000. Its totient is φ = 3450179520.

The previous prime is 11387952637. The next prime is 11387952647. The reversal of 11387952642 is 24625978311.

It is an interprime number because it is at equal distance from previous prime (11387952637) and next prime (11387952647).

It is a junction number, because it is equal to n+sod(n) for n = 11387952591 and 11387952600.

It is not an unprimeable number, because it can be changed into a prime (11387952647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364428 + ... + 394440.

It is an arithmetic number, because the mean of its divisors is an integer number (776612250).

Almost surely, 2^11387952642 is an apocalyptic number.

11387952642 is an abundant number, since it is smaller than the sum of its proper divisors (13463639358).

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

11387952642 is a wasteful number, since it uses less digits than its factorization.

11387952642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35778.

The product of its digits is 725760, while the sum is 48.

The spelling of 11387952642 in words is "eleven billion, three hundred eighty-seven million, nine hundred fifty-two thousand, six hundred forty-two".