11245512431 has 8 divisors (see below), whose sum is σ = 11525640000. Its totient is φ = 10965663360.

The previous prime is 11245512371. The next prime is 11245512449. The reversal of 11245512431 is 13421554211.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11245512431 is a prime.

It is a super-2 number, since 2×11245512431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11245512394 and 11245512403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11245512491) 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, 13355 + ... + 150563.

It is an arithmetic number, because the mean of its divisors is an integer number (1440705000).

Almost surely, 2^11245512431 is an apocalyptic number.

11245512431 is a deficient number, since it is larger than the sum of its proper divisors (280127569).

11245512431 is a wasteful number, since it uses less digits than its factorization.

11245512431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139249.

The product of its digits is 4800, while the sum is 29.

The spelling of 11245512431 in words is "eleven billion, two hundred forty-five million, five hundred twelve thousand, four hundred thirty-one".