11311503425 has 12 divisors (see below), whose sum is σ = 14086470060. Its totient is φ = 9010360320.

The previous prime is 11311503391. The next prime is 11311503439. The reversal of 11311503425 is 52430511311.

It can be written as a sum of positive squares in 6 ways, for example, as 23078416 + 11288425009 = 4804^2 + 106247^2 .

It is not a de Polignac number, because 11311503425 - 2²² = 11307309121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11311503394 and 11311503403.

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, 965120 + ... + 976769.

It is an arithmetic number, because the mean of its divisors is an integer number (1173872505).

Almost surely, 2^11311503425 is an apocalyptic number.

It is an amenable number.

11311503425 is a deficient number, since it is larger than the sum of its proper divisors (2774966635).

11311503425 is a wasteful number, since it uses less digits than its factorization.

11311503425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942132 (or 1942127 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 11311503425 in words is "eleven billion, three hundred eleven million, five hundred three thousand, four hundred twenty-five".