12153577037237 has 4 divisors (see below), whose sum is σ = 12572665900620. Its totient is φ = 11734488173856.

The previous prime is 12153577037159. The next prime is 12153577037243. The reversal of 12153577037237 is 73273077535121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8844521352676 + 3309055684561 = 2973974^2 + 1819081^2 .

It is a cyclic number.

It is not a de Polignac number, because 12153577037237 - 2¹² = 12153577033141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12153577031237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209544431648 + ... + 209544431705.

It is an arithmetic number, because the mean of its divisors is an integer number (3143166475155).

Almost surely, 2^{12153577037237} is an apocalyptic number.

It is an amenable number.

12153577037237 is a deficient number, since it is larger than the sum of its proper divisors (419088863383).

12153577037237 is an equidigital number, since it uses as much as digits as its factorization.

12153577037237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419088863382.

The product of its (nonzero) digits is 6482700, while the sum is 53.

The spelling of 12153577037237 in words is "twelve trillion, one hundred fifty-three billion, five hundred seventy-seven million, thirty-seven thousand, two hundred thirty-seven".