61131654301263 has 32 divisors (see below), whose sum is σ = 100322716300800. Its totient is φ = 32243949023616.

The previous prime is 61131654301253. The next prime is 61131654301297. The reversal of 61131654301263 is 36210345613116.

It is not a de Polignac number, because 61131654301263 - 2⁶ = 61131654301199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61131654301253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2122728 + ... + 11259186.

It is an arithmetic number, because the mean of its divisors is an integer number (3135084884400).

Almost surely, 2^{61131654301263} is an apocalyptic number.

61131654301263 is a deficient number, since it is larger than the sum of its proper divisors (39191061999537).

61131654301263 is a wasteful number, since it uses less digits than its factorization.

61131654301263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9160991.

The product of its (nonzero) digits is 233280, while the sum is 42.

Adding to 61131654301263 its reverse (36210345613116), we get a palindrome (97341999914379).

The spelling of 61131654301263 in words is "sixty-one trillion, one hundred thirty-one billion, six hundred fifty-four million, three hundred one thousand, two hundred sixty-three".