11455691479250 has 256 divisors, whose sum is σ = 22968739842048. Its totient is φ = 4271904000000.

The previous prime is 11455691479247. The next prime is 11455691479301. The reversal of 11455691479250 is 5297419655411.

It is a super-2 number, since 2×11455691479250² (a number of 27 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 11455691479250.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15253916375 + ... + 15253917125.

It is an arithmetic number, because the mean of its divisors is an integer number (89721640008).

Almost surely, 2^{11455691479250} is an apocalyptic number.

11455691479250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11455691479250 is an abundant number, since it is smaller than the sum of its proper divisors (11513048362798).

11455691479250 is a wasteful number, since it uses less digits than its factorization.

11455691479250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558 (or 1548 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 59.

The spelling of 11455691479250 in words is "eleven trillion, four hundred fifty-five billion, six hundred ninety-one million, four hundred seventy-nine thousand, two hundred fifty".