125491232737 has 12 divisors (see below), whose sum is σ = 143038904880. Its totient is φ = 109741318128.

The previous prime is 125491232707. The next prime is 125491232747. The reversal of 125491232737 is 737232194521.

It is not a de Polignac number, because 125491232737 - 2¹⁹ = 125490708449 is a prime.

It is a super-2 number, since 2×125491232737² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125491232707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19537623 + ... + 19544044.

It is an arithmetic number, because the mean of its divisors is an integer number (11919908740).

Almost surely, 2^125491232737 is an apocalyptic number.

It is an amenable number.

125491232737 is a deficient number, since it is larger than the sum of its proper divisors (17547672143).

125491232737 is a wasteful number, since it uses less digits than its factorization.

125491232737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39081712 (or 39081699 counting only the distinct ones).

The product of its digits is 635040, while the sum is 46.

The spelling of 125491232737 in words is "one hundred twenty-five billion, four hundred ninety-one million, two hundred thirty-two thousand, seven hundred thirty-seven".