61402761601 has 24 divisors (see below), whose sum is σ = 68370711552. Its totient is φ = 54850224000.

The previous prime is 61402761583. The next prime is 61402761611. The reversal of 61402761601 is 10616720416.

61402761601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61402761601 - 2²³ = 61394372993 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61402761611) 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, 6705376 + ... + 6714526.

It is an arithmetic number, because the mean of its divisors is an integer number (2848779648).

Almost surely, 2^61402761601 is an apocalyptic number.

It is an amenable number.

61402761601 is a deficient number, since it is larger than the sum of its proper divisors (6967949951).

61402761601 is a wasteful number, since it uses less digits than its factorization.

61402761601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9453 (or 9322 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 61402761601 in words is "sixty-one billion, four hundred two million, seven hundred sixty-one thousand, six hundred one".