97561055511411 has 4 divisors (see below), whose sum is σ = 130081407348552. Its totient is φ = 65040703674272.

The previous prime is 97561055511379. The next prime is 97561055511443. The reversal of 97561055511411 is 11411555016579.

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

It is an interprime number because it is at equal distance from previous prime (97561055511379) and next prime (97561055511443).

It is a cyclic number.

It is not a de Polignac number, because 97561055511411 - 2⁵ = 97561055511379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97561055511511) 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, 16260175918566 + ... + 16260175918571.

It is an arithmetic number, because the mean of its divisors is an integer number (32520351837138).

Almost surely, 2^{97561055511411} is an apocalyptic number.

97561055511411 is a deficient number, since it is larger than the sum of its proper divisors (32520351837141).

97561055511411 is a wasteful number, since it uses less digits than its factorization.

97561055511411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32520351837140.

The product of its (nonzero) digits is 945000, while the sum is 51.

The spelling of 97561055511411 in words is "ninety-seven trillion, five hundred sixty-one billion, fifty-five million, five hundred eleven thousand, four hundred eleven".