61314152523 has 32 divisors (see below), whose sum is σ = 89340249600. Its totient is φ = 37175604480.

The previous prime is 61314152519. The next prime is 61314152551. The reversal of 61314152523 is 32525141316.

It is not a de Polignac number, because 61314152523 - 2² = 61314152519 is a prime.

It is a super-2 number, since 2×61314152523² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61314152503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4698015 + ... + 4711047.

It is an arithmetic number, because the mean of its divisors is an integer number (2791882800).

Almost surely, 2^61314152523 is an apocalyptic number.

61314152523 is a deficient number, since it is larger than the sum of its proper divisors (28026097077).

61314152523 is a wasteful number, since it uses less digits than its factorization.

61314152523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14819.

The product of its digits is 21600, while the sum is 33.

Adding to 61314152523 its reverse (32525141316), we get a palindrome (93839293839).

The spelling of 61314152523 in words is "sixty-one billion, three hundred fourteen million, one hundred fifty-two thousand, five hundred twenty-three".