2251100748867 has 4 divisors (see below), whose sum is σ = 3001467665160. Its totient is φ = 1500733832576.

The previous prime is 2251100748857. The next prime is 2251100748881. The reversal of 2251100748867 is 7688470011522.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2251100748867 - 2¹¹ = 2251100746819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2251100748857) 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, 375183458142 + ... + 375183458147.

It is an arithmetic number, because the mean of its divisors is an integer number (750366916290).

Almost surely, 2^{2251100748867} is an apocalyptic number.

2251100748867 is a deficient number, since it is larger than the sum of its proper divisors (750366916293).

2251100748867 is an equidigital number, since it uses as much as digits as its factorization.

2251100748867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750366916292.

The product of its (nonzero) digits is 1505280, while the sum is 51.

The spelling of 2251100748867 in words is "two trillion, two hundred fifty-one billion, one hundred million, seven hundred forty-eight thousand, eight hundred sixty-seven".