1148902522091 has 4 divisors (see below), whose sum is σ = 1151026187184. Its totient is φ = 1146778857000.

The previous prime is 1148902522069. The next prime is 1148902522123. The reversal of 1148902522091 is 1902252098411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1148902522091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1148902525091) 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, 1061831735 + ... + 1061832816.

It is an arithmetic number, because the mean of its divisors is an integer number (287756546796).

Almost surely, 2^{1148902522091} is an apocalyptic number.

1148902522091 is a deficient number, since it is larger than the sum of its proper divisors (2123665093).

1148902522091 is an equidigital number, since it uses as much as digits as its factorization.

1148902522091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123665092.

The product of its (nonzero) digits is 103680, while the sum is 44.

The spelling of 1148902522091 in words is "one trillion, one hundred forty-eight billion, nine hundred two million, five hundred twenty-two thousand, ninety-one".