11372615281 has 8 divisors (see below), whose sum is σ = 11979698400. Its totient is φ = 10766384640.

The previous prime is 11372615249. The next prime is 11372615299. The reversal of 11372615281 is 18251627311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11372615281 - 2⁵ = 11372615249 is a prime.

It is a super-2 number, since 2×11372615281² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11372615281.

It is not an unprimeable number, because it can be changed into a prime (11372615381) 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, 185635 + ... + 239176.

It is an arithmetic number, because the mean of its divisors is an integer number (1497462300).

Almost surely, 2^11372615281 is an apocalyptic number.

It is an amenable number.

11372615281 is a deficient number, since it is larger than the sum of its proper divisors (607083119).

11372615281 is a wasteful number, since it uses less digits than its factorization.

11372615281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426239.

The product of its digits is 20160, while the sum is 37.

The spelling of 11372615281 in words is "eleven billion, three hundred seventy-two million, six hundred fifteen thousand, two hundred eighty-one".