11150178972 has 24 divisors (see below), whose sum is σ = 26056462992. Its totient is φ = 3711100800.

The previous prime is 11150178971. The next prime is 11150178979. The reversal of 11150178972 is 27987105111.

It is a super-2 number, since 2×11150178972² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11150178971) 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, 694929 + ... + 710792.

It is an arithmetic number, because the mean of its divisors is an integer number (1085685958).

Almost surely, 2^11150178972 is an apocalyptic number.

11150178972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11150178972 is an abundant number, since it is smaller than the sum of its proper divisors (14906284020).

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

11150178972 is a wasteful number, since it uses less digits than its factorization.

11150178972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406389 (or 1406387 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 42.

The spelling of 11150178972 in words is "eleven billion, one hundred fifty million, one hundred seventy-eight thousand, nine hundred seventy-two".