1097851311 has 6 divisors (see below), whose sum is σ = 1585785240. Its totient is φ = 731900868.

The previous prime is 1097851283. The next prime is 1097851327. The reversal of 1097851311 is 1131587901.

It is not a de Polignac number, because 1097851311 - 2²² = 1093657007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097850311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60991731 + ... + 60991748.

It is an arithmetic number, because the mean of its divisors is an integer number (264297540).

Almost surely, 2^1097851311 is an apocalyptic number.

1097851311 is a deficient number, since it is larger than the sum of its proper divisors (487933929).

1097851311 is a wasteful number, since it uses less digits than its factorization.

1097851311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121983485 (or 121983482 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 36.

The square root of 1097851311 is about 33133.8393640097. The cubic root of 1097851311 is about 1031.6075413019.

The spelling of 1097851311 in words is "one billion, ninety-seven million, eight hundred fifty-one thousand, three hundred eleven".