61152952323 has 4 divisors (see below), whose sum is σ = 81537269768. Its totient is φ = 40768634880.

The previous prime is 61152952271. The next prime is 61152952331. The reversal of 61152952323 is 32325925116.

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

It is not a de Polignac number, because 61152952323 - 2¹⁶ = 61152886787 is a prime.

It is a super-2 number, since 2×61152952323² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61152962323) 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, 10192158718 + ... + 10192158723.

It is an arithmetic number, because the mean of its divisors is an integer number (20384317442).

Almost surely, 2^61152952323 is an apocalyptic number.

61152952323 is a deficient number, since it is larger than the sum of its proper divisors (20384317445).

61152952323 is a wasteful number, since it uses less digits than its factorization.

61152952323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20384317444.

The product of its digits is 97200, while the sum is 39.

The spelling of 61152952323 in words is "sixty-one billion, one hundred fifty-two million, nine hundred fifty-two thousand, three hundred twenty-three".