61305463011 has 24 divisors (see below), whose sum is σ = 91367279616. Its totient is φ = 36509447520.

The previous prime is 61305462979. The next prime is 61305463031. The reversal of 61305463011 is 11036450316.

It is not a de Polignac number, because 61305463011 - 2⁵ = 61305462979 is a prime.

It is a super-2 number, since 2×61305463011² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61305463011.

It is not an unprimeable number, because it can be changed into a prime (61305463031) 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, 1934575 + ... + 1966008.

It is an arithmetic number, because the mean of its divisors is an integer number (3806969984).

Almost surely, 2^61305463011 is an apocalyptic number.

61305463011 is a deficient number, since it is larger than the sum of its proper divisors (30061816605).

61305463011 is a wasteful number, since it uses less digits than its factorization.

61305463011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3900643 (or 3900630 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The spelling of 61305463011 in words is "sixty-one billion, three hundred five million, four hundred sixty-three thousand, eleven".