1135226437631 has 24 divisors (see below), whose sum is σ = 1419904182384. Its totient is φ = 896600040960.

The previous prime is 1135226437627. The next prime is 1135226437633. The reversal of 1135226437631 is 1367346225311.

It is not a de Polignac number, because 1135226437631 - 2² = 1135226437627 is a prime.

It is a super-2 number, since 2×1135226437631² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135226437633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17929136 + ... + 17992341.

It is an arithmetic number, because the mean of its divisors is an integer number (59162674266).

Almost surely, 2^{1135226437631} is an apocalyptic number.

1135226437631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1135226437631 is a deficient number, since it is larger than the sum of its proper divisors (284677744753).

1135226437631 is a wasteful number, since it uses less digits than its factorization.

1135226437631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35921531 (or 35921518 counting only the distinct ones).

The product of its digits is 544320, while the sum is 44.

The spelling of 1135226437631 in words is "one trillion, one hundred thirty-five billion, two hundred twenty-six million, four hundred thirty-seven thousand, six hundred thirty-one".