61152523799 has 2 divisors, whose sum is σ = 61152523800. Its totient is φ = 61152523798.

The previous prime is 61152523771. The next prime is 61152523823. The reversal of 61152523799 is 99732525116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61152523799 - 2⁸ = 61152523543 is a prime.

It is a super-2 number, since 2×61152523799² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61152525799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30576261899 + 30576261900.

It is an arithmetic number, because the mean of its divisors is an integer number (30576261900).

Almost surely, 2^61152523799 is an apocalyptic number.

61152523799 is a deficient number, since it is larger than the sum of its proper divisors (1).

61152523799 is an equidigital number, since it uses as much as digits as its factorization.

61152523799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1020600, while the sum is 50.

The spelling of 61152523799 in words is "sixty-one billion, one hundred fifty-two million, five hundred twenty-three thousand, seven hundred ninety-nine".