29315145325 has 24 divisors (see below), whose sum is σ = 37391176008. Its totient is φ = 22782862080.

The previous prime is 29315145323. The next prime is 29315145329. The reversal of 29315145325 is 52354151392.

It can be written as a sum of positive squares in 12 ways, for example, as 1506914761 + 27808230564 = 38819^2 + 166758^2 .

It is not a de Polignac number, because 29315145325 - 2¹ = 29315145323 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 (29315145323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 579759 + ... + 628291.

It is an arithmetic number, because the mean of its divisors is an integer number (1557965667).

Almost surely, 2^29315145325 is an apocalyptic number.

29315145325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29315145325 is a deficient number, since it is larger than the sum of its proper divisors (8076030683).

29315145325 is a wasteful number, since it uses less digits than its factorization.

29315145325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49233 (or 49228 counting only the distinct ones).

The product of its digits is 162000, while the sum is 40.

The spelling of 29315145325 in words is "twenty-nine billion, three hundred fifteen million, one hundred forty-five thousand, three hundred twenty-five".