2113151533545 has 64 divisors (see below), whose sum is σ = 3855618434304. Its totient is φ = 979046154240.

The previous prime is 2113151533523. The next prime is 2113151533561. The reversal of 2113151533545 is 5453351513112.

It is not a de Polignac number, because 2113151533545 - 2⁶ = 2113151533481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 67885585 + ... + 67916705.

It is an arithmetic number, because the mean of its divisors is an integer number (60244038036).

Almost surely, 2^{2113151533545} is an apocalyptic number.

It is an amenable number.

2113151533545 is a deficient number, since it is larger than the sum of its proper divisors (1742466900759).

2113151533545 is a wasteful number, since it uses less digits than its factorization.

2113151533545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51642.

The product of its digits is 135000, while the sum is 39.

The spelling of 2113151533545 in words is "two trillion, one hundred thirteen billion, one hundred fifty-one million, five hundred thirty-three thousand, five hundred forty-five".