3120998996551 has 8 divisors (see below), whose sum is σ = 3148977840624. Its totient is φ = 3093083098560.

The previous prime is 3120998996527. The next prime is 3120998996561. The reversal of 3120998996551 is 1556998990213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3120998996551 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 (3120998996561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15636910 + ... + 15835243.

It is an arithmetic number, because the mean of its divisors is an integer number (393622230078).

Almost surely, 2^{3120998996551} is an apocalyptic number.

3120998996551 is a deficient number, since it is larger than the sum of its proper divisors (27978844073).

3120998996551 is a wasteful number, since it uses less digits than its factorization.

3120998996551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31473041.

The product of its (nonzero) digits is 47239200, while the sum is 67.

The spelling of 3120998996551 in words is "three trillion, one hundred twenty billion, nine hundred ninety-eight million, nine hundred ninety-six thousand, five hundred fifty-one".