2245121535531 has 8 divisors (see below), whose sum is σ = 3421137577984. Its totient is φ = 1282926591720.

The previous prime is 2245121535521. The next prime is 2245121535539. The reversal of 2245121535531 is 1355351215422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2245121535531 - 2¹⁰ = 2245121534507 is a prime.

It is a super-2 number, since 2×2245121535531² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2245121535531.

It is not an unprimeable number, because it can be changed into a prime (2245121535539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53455274635 + ... + 53455274676.

It is an arithmetic number, because the mean of its divisors is an integer number (427642197248).

Almost surely, 2^{2245121535531} is an apocalyptic number.

2245121535531 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2245121535531 is a deficient number, since it is larger than the sum of its proper divisors (1176016042453).

2245121535531 is a wasteful number, since it uses less digits than its factorization.

2245121535531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106910549321.

The product of its digits is 180000, while the sum is 39.

The spelling of 2245121535531 in words is "two trillion, two hundred forty-five billion, one hundred twenty-one million, five hundred thirty-five thousand, five hundred thirty-one".