11505252630 has 32 divisors (see below), whose sum is σ = 27630989568. Its totient is φ = 3066024800.

The previous prime is 11505252607. The next prime is 11505252641. The reversal of 11505252630 is 3625250511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81576 + ... + 172235.

It is an arithmetic number, because the mean of its divisors is an integer number (863468424).

Almost surely, 2^11505252630 is an apocalyptic number.

11505252630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11505252630 is an abundant number, since it is smaller than the sum of its proper divisors (16125736938).

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

11505252630 is a wasteful number, since it uses less digits than its factorization.

11505252630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255332.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 11505252630 in words is "eleven billion, five hundred five million, two hundred fifty-two thousand, six hundred thirty".