11756728350 has 36 divisors (see below), whose sum is σ = 31586411376. Its totient is φ = 3135127440.

The previous prime is 11756728349. The next prime is 11756728381. The reversal of 11756728350 is 5382765711.

It is a happy number.

11756728350 is a `hidden beast` number, since 1 + 1 + 7 + 567 + 2 + 83 + 5 + 0 = 666.

It is a super-2 number, since 2×11756728350² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 11756728296 and 11756728305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13062582 + ... + 13063481.

It is an arithmetic number, because the mean of its divisors is an integer number (877400316).

Almost surely, 2^11756728350 is an apocalyptic number.

11756728350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11756728350 is an abundant number, since it is smaller than the sum of its proper divisors (19829683026).

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

11756728350 is a wasteful number, since it uses less digits than its factorization.

11756728350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26126081 (or 26126073 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The spelling of 11756728350 in words is "eleven billion, seven hundred fifty-six million, seven hundred twenty-eight thousand, three hundred fifty".