61403655160011 has 16 divisors (see below), whose sum is σ = 83157070558464. Its totient is φ = 40296565961184.

The previous prime is 61403655159983. The next prime is 61403655160061. The reversal of 61403655160011 is 11006155630416.

It is not a de Polignac number, because 61403655160011 - 2²⁹ = 61403118289099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61403655160061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445059231 + ... + 445197176.

It is an arithmetic number, because the mean of its divisors is an integer number (5197316909904).

Almost surely, 2^{61403655160011} is an apocalyptic number.

61403655160011 is a deficient number, since it is larger than the sum of its proper divisors (21753415398453).

61403655160011 is a wasteful number, since it uses less digits than its factorization.

61403655160011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890256770.

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 61403655160011 in words is "sixty-one trillion, four hundred three billion, six hundred fifty-five million, one hundred sixty thousand, eleven".