154207113125 has 30 divisors (see below), whose sum is σ = 208660433850. Its totient is φ = 113875944000.

The previous prime is 154207113107. The next prime is 154207113149. The reversal of 154207113125 is 521311702451.

It can be written as a sum of positive squares in 15 ways, for example, as 128772604801 + 25434508324 = 358849^2 + 159482^2 .

It is not a de Polignac number, because 154207113125 - 2⁸ = 154207112869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 154207113091 and 154207113100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 624350 + ... + 835599.

It is an arithmetic number, because the mean of its divisors is an integer number (6955347795).

Almost surely, 2^154207113125 is an apocalyptic number.

It is an amenable number.

154207113125 is a deficient number, since it is larger than the sum of its proper divisors (54453320725).

154207113125 is an equidigital number, since it uses as much as digits as its factorization.

154207113125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459995 (or 1459967 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

Adding to 154207113125 its reverse (521311702451), we get a palindrome (675518815576).

The spelling of 154207113125 in words is "one hundred fifty-four billion, two hundred seven million, one hundred thirteen thousand, one hundred twenty-five".