15237342497 has 16 divisors (see below), whose sum is σ = 16575284880. Its totient is φ = 13923332352.

The previous prime is 15237342493. The next prime is 15237342511. The reversal of 15237342497 is 79424373251.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 852698401 + 14384644096 = 29201^2 + 119936^2 .

It is a cyclic number.

It is not a de Polignac number, because 15237342497 - 2² = 15237342493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15237342493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1748483 + ... + 1757175.

It is an arithmetic number, because the mean of its divisors is an integer number (1035955305).

Almost surely, 2^15237342497 is an apocalyptic number.

It is an amenable number.

15237342497 is a deficient number, since it is larger than the sum of its proper divisors (1337942383).

15237342497 is a wasteful number, since it uses less digits than its factorization.

15237342497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10052.

The product of its digits is 1270080, while the sum is 47.

The spelling of 15237342497 in words is "fifteen billion, two hundred thirty-seven million, three hundred forty-two thousand, four hundred ninety-seven".