61206501401 has 16 divisors (see below), whose sum is σ = 63484082688. Its totient is φ = 58948300800.

The previous prime is 61206501383. The next prime is 61206501403. The reversal of 61206501401 is 10410560216.

It is a cyclic number.

It is not a de Polignac number, because 61206501401 - 2¹⁴ = 61206485017 is a prime.

It is a super-2 number, since 2×61206501401² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61206501403) 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, 10999646 + ... + 11005208.

It is an arithmetic number, because the mean of its divisors is an integer number (3967755168).

Almost surely, 2^61206501401 is an apocalyptic number.

It is an amenable number.

61206501401 is a deficient number, since it is larger than the sum of its proper divisors (2277581287).

61206501401 is a wasteful number, since it uses less digits than its factorization.

61206501401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7232.

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 61206501401 in words is "sixty-one billion, two hundred six million, five hundred one thousand, four hundred one".