11941457570 has 64 divisors (see below), whose sum is σ = 25189920000. Its totient is φ = 3991375872.

The previous prime is 11941457537. The next prime is 11941457581. The reversal of 11941457570 is 7575414911.

It is a super-2 number, since 2×11941457570² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 441806 + ... + 468054.

It is an arithmetic number, because the mean of its divisors is an integer number (393592500).

Almost surely, 2^11941457570 is an apocalyptic number.

11941457570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11941457570 is an abundant number, since it is smaller than the sum of its proper divisors (13248462430).

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

11941457570 is a wasteful number, since it uses less digits than its factorization.

11941457570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26427.

The product of its (nonzero) digits is 176400, while the sum is 44.

The spelling of 11941457570 in words is "eleven billion, nine hundred forty-one million, four hundred fifty-seven thousand, five hundred seventy".