120419452887551 has 4 divisors (see below), whose sum is σ = 120464435875992. Its totient is φ = 120374469899112.

The previous prime is 120419452887523. The next prime is 120419452887583. The reversal of 120419452887551 is 155788254914021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120419452887551 is a prime.

It is a super-2 number, since 2×120419452887551² (a number of 29 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 (120419452887511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22491490205 + ... + 22491495558.

It is an arithmetic number, because the mean of its divisors is an integer number (30116108968998).

Almost surely, 2^{120419452887551} is an apocalyptic number.

120419452887551 is a deficient number, since it is larger than the sum of its proper divisors (44982988441).

120419452887551 is an equidigital number, since it uses as much as digits as its factorization.

120419452887551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44982988440.

The product of its (nonzero) digits is 32256000, while the sum is 62.

The spelling of 120419452887551 in words is "one hundred twenty trillion, four hundred nineteen billion, four hundred fifty-two million, eight hundred eighty-seven thousand, five hundred fifty-one".