11537451125 has 8 divisors (see below), whose sum is σ = 14398739160. Its totient is φ = 9229960800.

The previous prime is 11537451119. The next prime is 11537451161. The reversal of 11537451125 is 52115473511.

It can be written as a sum of positive squares in 4 ways, for example, as 1862958244 + 9674492881 = 43162^2 + 98359^2 .

It is not a de Polignac number, because 11537451125 - 2¹⁰ = 11537450101 is a prime.

It is a super-2 number, since 2×11537451125² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46149680 + ... + 46149929.

It is an arithmetic number, because the mean of its divisors is an integer number (1799842395).

Almost surely, 2^11537451125 is an apocalyptic number.

It is an amenable number.

11537451125 is a deficient number, since it is larger than the sum of its proper divisors (2861288035).

11537451125 is an frugal number, since it uses more digits than its factorization.

11537451125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92299624 (or 92299614 counting only the distinct ones).

The product of its digits is 21000, while the sum is 35.

The spelling of 11537451125 in words is "eleven billion, five hundred thirty-seven million, four hundred fifty-one thousand, one hundred twenty-five".