11621353760 has 24 divisors (see below), whose sum is σ = 27455448636. Its totient is φ = 4648541440.

The previous prime is 11621353741. The next prime is 11621353789. The reversal of 11621353760 is 6735312611.

It can be written as a sum of positive squares in 2 ways, for example, as 11580342544 + 41011216 = 107612^2 + 6404^2 .

It is a super-2 number, since 2×11621353760² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11621353760.

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, 36316571 + ... + 36316890.

Almost surely, 2^11621353760 is an apocalyptic number.

11621353760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11621353760 is an abundant number, since it is smaller than the sum of its proper divisors (15834094876).

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

11621353760 is an equidigital number, since it uses as much as digits as its factorization.

11621353760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72633476 (or 72633468 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The spelling of 11621353760 in words is "eleven billion, six hundred twenty-one million, three hundred fifty-three thousand, seven hundred sixty".