61508683090141 has 4 divisors (see below), whose sum is σ = 70295637817312. Its totient is φ = 52721728362972.

The previous prime is 61508683090091. The next prime is 61508683090157. The reversal of 61508683090141 is 14109038680516.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61508683090141 - 2¹¹ = 61508683088093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61508683090181) 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, 4393477363575 + ... + 4393477363588.

It is an arithmetic number, because the mean of its divisors is an integer number (17573909454328).

Almost surely, 2^{61508683090141} is an apocalyptic number.

It is an amenable number.

61508683090141 is a deficient number, since it is larger than the sum of its proper divisors (8786954727171).

61508683090141 is an equidigital number, since it uses as much as digits as its factorization.

61508683090141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8786954727170.

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 61508683090141 in words is "sixty-one trillion, five hundred eight billion, six hundred eighty-three million, ninety thousand, one hundred forty-one".