2151235552 has 12 divisors (see below), whose sum is σ = 4235245056. Its totient is φ = 1075617760.

The previous prime is 2151235547. The next prime is 2151235553. The reversal of 2151235552 is 2555321512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151235553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33613024 + ... + 33613087.

It is an arithmetic number, because the mean of its divisors is an integer number (352937088).

Almost surely, 2^2151235552 is an apocalyptic number.

It is an amenable number.

2151235552 is a deficient number, since it is larger than the sum of its proper divisors (2084009504).

2151235552 is an equidigital number, since it uses as much as digits as its factorization.

2151235552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67226121 (or 67226113 counting only the distinct ones).

The product of its digits is 15000, while the sum is 31.

The square root of 2151235552 is about 46381.4138637450. The cubic root of 2151235552 is about 1290.9100707091.

The spelling of 2151235552 in words is "two billion, one hundred fifty-one million, two hundred thirty-five thousand, five hundred fifty-two".