11152431025 has 12 divisors (see below), whose sum is σ = 13899218652. Its totient is φ = 8876651840.

The previous prime is 11152431019. The next prime is 11152431041. The reversal of 11152431025 is 52013425111.

It can be written as a sum of positive squares in 6 ways, for example, as 2350989169 + 8801441856 = 48487^2 + 93816^2 .

It is not a de Polignac number, because 11152431025 - 2¹¹ = 11152428977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1127302 + ... + 1137151.

It is an arithmetic number, because the mean of its divisors is an integer number (1158268221).

Almost surely, 2^11152431025 is an apocalyptic number.

It is an amenable number.

11152431025 is a deficient number, since it is larger than the sum of its proper divisors (2746787627).

11152431025 is a wasteful number, since it uses less digits than its factorization.

11152431025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264660 (or 2264655 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 11152431025 its reverse (52013425111), we get a palindrome (63165856136).

The spelling of 11152431025 in words is "eleven billion, one hundred fifty-two million, four hundred thirty-one thousand, twenty-five".