11398497572 has 24 divisors (see below), whose sum is σ = 24869449920. Its totient is φ = 4440972960.

The previous prime is 11398497571. The next prime is 11398497653. The reversal of 11398497572 is 27579489311.

It is not an unprimeable number, because it can be changed into a prime (11398497571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18503747 + ... + 18504362.

It is an arithmetic number, because the mean of its divisors is an integer number (1036227080).

Almost surely, 2^11398497572 is an apocalyptic number.

It is an amenable number.

11398497572 is an abundant number, since it is smaller than the sum of its proper divisors (13470952348).

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

11398497572 is a wasteful number, since it uses less digits than its factorization.

11398497572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37008131 (or 37008129 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 56.

The spelling of 11398497572 in words is "eleven billion, three hundred ninety-eight million, four hundred ninety-seven thousand, five hundred seventy-two".