2516426471157 has 4 divisors (see below), whose sum is σ = 3355235294880. Its totient is φ = 1677617647436.

The previous prime is 2516426471131. The next prime is 2516426471171. The reversal of 2516426471157 is 7511746246152.

It is a happy number.

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 2516426471157 - 2⁶ = 2516426471093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516426471057) 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, 419404411857 + ... + 419404411862.

It is an arithmetic number, because the mean of its divisors is an integer number (838808823720).

Almost surely, 2^{2516426471157} is an apocalyptic number.

It is an amenable number.

2516426471157 is a deficient number, since it is larger than the sum of its proper divisors (838808823723).

2516426471157 is an equidigital number, since it uses as much as digits as its factorization.

2516426471157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838808823722.

The product of its digits is 2822400, while the sum is 51.

The spelling of 2516426471157 in words is "two trillion, five hundred sixteen billion, four hundred twenty-six million, four hundred seventy-one thousand, one hundred fifty-seven".