3157372250105 has 4 divisors (see below), whose sum is σ = 3788846700132. Its totient is φ = 2525897800080.

The previous prime is 3157372250101. The next prime is 3157372250141. The reversal of 3157372250105 is 5010522737513.

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 2129101212736 + 1028271037369 = 1459144^2 + 1014037^2 .

It is not a de Polignac number, because 3157372250105 - 2² = 3157372250101 is a prime.

It is a super-2 number, since 2×3157372250105² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3157372250101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315737225006 + ... + 315737225015.

It is an arithmetic number, because the mean of its divisors is an integer number (947211675033).

Almost surely, 2^{3157372250105} is an apocalyptic number.

It is an amenable number.

3157372250105 is a deficient number, since it is larger than the sum of its proper divisors (631474450027).

3157372250105 is an equidigital number, since it uses as much as digits as its factorization.

3157372250105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631474450026.

The product of its (nonzero) digits is 220500, while the sum is 41.

Adding to 3157372250105 its reverse (5010522737513), we get a palindrome (8167894987618).

The spelling of 3157372250105 in words is "three trillion, one hundred fifty-seven billion, three hundred seventy-two million, two hundred fifty thousand, one hundred five".