61996436301311 has 4 divisors (see below), whose sum is σ = 63508544503824. Its totient is φ = 60484328098800.

The previous prime is 61996436301277. The next prime is 61996436301379. The reversal of 61996436301311 is 11310363469916.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61996436301311 - 2³⁴ = 61979256432127 is a prime.

It is a super-2 number, since 2×61996436301311² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61996436301211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 756054101195 + ... + 756054101276.

It is an arithmetic number, because the mean of its divisors is an integer number (15877136125956).

Almost surely, 2^{61996436301311} is an apocalyptic number.

61996436301311 is a deficient number, since it is larger than the sum of its proper divisors (1512108202513).

61996436301311 is a wasteful number, since it uses less digits than its factorization.

61996436301311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512108202512.

The product of its (nonzero) digits is 1889568, while the sum is 53.

The spelling of 61996436301311 in words is "sixty-one trillion, nine hundred ninety-six billion, four hundred thirty-six million, three hundred one thousand, three hundred eleven".