11747553622 has 32 divisors (see below), whose sum is σ = 21335462208. Its totient is φ = 4735804416.

The previous prime is 11747553599. The next prime is 11747553637. The reversal of 11747553622 is 22635574711.

It is a happy number.

It is a super-2 number, since 2×11747553622² (a number of 21 digits) contains 22 as substring.

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, 433578 + ... + 459874.

It is an arithmetic number, because the mean of its divisors is an integer number (666733194).

Almost surely, 2^11747553622 is an apocalyptic number.

11747553622 is a deficient number, since it is larger than the sum of its proper divisors (9587908586).

11747553622 is a wasteful number, since it uses less digits than its factorization.

11747553622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28200.

The product of its digits is 352800, while the sum is 43.

The spelling of 11747553622 in words is "eleven billion, seven hundred forty-seven million, five hundred fifty-three thousand, six hundred twenty-two".